Home / 207,614.90-286,508.55-112,121.59

Finding the Fourth Proportional to 207,614.90, 286,508.55 and 112,121.59

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Solution

The fourth proportional to 207,614.90, 286,508.55 and 112,121.59 is: 154,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.90 : 286,508.55 = 112,121.59 : x
  2. Step 2: Convert to fraction form
    207,614.90/286,508.55 = 112,121.59/x
  3. Step 3: Cross multiply
    207,614.90x = 286,508.55 × 112,121.59
  4. Step 4: Simplify right side
    207,614.90x = 32,123,793,738.63
  5. Step 5: Solve for x
    x = 32,123,793,738.63/207,614.90
  6. Step 6: Final answer
    x = 154,727.78

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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.