Home / 125,162.91-172,725.20-67,802.82

Finding the Fourth Proportional to 125,162.91, 172,725.20 and 67,802.82

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Solution

The fourth proportional to 125,162.91, 172,725.20 and 67,802.82 is: 93,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,162.91 : 172,725.20 = 67,802.82 : x
  2. Step 2: Convert to fraction form
    125,162.91/172,725.20 = 67,802.82/x
  3. Step 3: Cross multiply
    125,162.91x = 172,725.20 × 67,802.82
  4. Step 4: Simplify right side
    125,162.91x = 11,711,255,306.05
  5. Step 5: Solve for x
    x = 11,711,255,306.05/125,162.91
  6. Step 6: Final answer
    x = 93,568.10

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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.