Home / 154,780.25-232,170.37-123,812.33

Finding the Fourth Proportional to 154,780.25, 232,170.37 and 123,812.33

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Solution

The fourth proportional to 154,780.25, 232,170.37 and 123,812.33 is: 185,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,780.25 : 232,170.37 = 123,812.33 : x
  2. Step 2: Convert to fraction form
    154,780.25/232,170.37 = 123,812.33/x
  3. Step 3: Cross multiply
    154,780.25x = 232,170.37 × 123,812.33
  4. Step 4: Simplify right side
    154,780.25x = 28,745,552,996.28
  5. Step 5: Solve for x
    x = 28,745,552,996.28/154,780.25
  6. Step 6: Final answer
    x = 185,718.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.