Home / 154,761.20-232,228.20-65,999.60

Finding the Fourth Proportional to 154,761.20, 232,228.20 and 65,999.60

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Solution

The fourth proportional to 154,761.20, 232,228.20 and 65,999.60 is: 99,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,761.20 : 232,228.20 = 65,999.60 : x
  2. Step 2: Convert to fraction form
    154,761.20/232,228.20 = 65,999.60/x
  3. Step 3: Cross multiply
    154,761.20x = 232,228.20 × 65,999.60
  4. Step 4: Simplify right side
    154,761.20x = 15,326,968,308.72
  5. Step 5: Solve for x
    x = 15,326,968,308.72/154,761.20
  6. Step 6: Final answer
    x = 99,036.25

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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.