Home / 154,517.49-231,780.29-49,336.43

Finding the Fourth Proportional to 154,517.49, 231,780.29 and 49,336.43

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Solution

The fourth proportional to 154,517.49, 231,780.29 and 49,336.43 is: 74,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,517.49 : 231,780.29 = 49,336.43 : x
  2. Step 2: Convert to fraction form
    154,517.49/231,780.29 = 49,336.43/x
  3. Step 3: Cross multiply
    154,517.49x = 231,780.29 × 49,336.43
  4. Step 4: Simplify right side
    154,517.49x = 11,435,210,647.38
  5. Step 5: Solve for x
    x = 11,435,210,647.38/154,517.49
  6. Step 6: Final answer
    x = 74,005.93

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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.