Home / 207,763.92-286,613.98-136,112.40

Finding the Fourth Proportional to 207,763.92, 286,613.98 and 136,112.40

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Solution

The fourth proportional to 207,763.92, 286,613.98 and 136,112.40 is: 187,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,763.92 : 286,613.98 = 136,112.40 : x
  2. Step 2: Convert to fraction form
    207,763.92/286,613.98 = 136,112.40/x
  3. Step 3: Cross multiply
    207,763.92x = 286,613.98 × 136,112.40
  4. Step 4: Simplify right side
    207,763.92x = 39,011,716,691.35
  5. Step 5: Solve for x
    x = 39,011,716,691.35/207,763.92
  6. Step 6: Final answer
    x = 187,769.45

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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.