Home / 125,256.70-172,876.17-95,141.71

Finding the Fourth Proportional to 125,256.70, 172,876.17 and 95,141.71

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Solution

The fourth proportional to 125,256.70, 172,876.17 and 95,141.71 is: 131,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,256.70 : 172,876.17 = 95,141.71 : x
  2. Step 2: Convert to fraction form
    125,256.70/172,876.17 = 95,141.71/x
  3. Step 3: Cross multiply
    125,256.70x = 172,876.17 × 95,141.71
  4. Step 4: Simplify right side
    125,256.70x = 16,447,734,432.05
  5. Step 5: Solve for x
    x = 16,447,734,432.05/125,256.70
  6. Step 6: Final answer
    x = 131,312.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.