Home / 207,327.68-286,121.40-116,689.52

Finding the Fourth Proportional to 207,327.68, 286,121.40 and 116,689.52

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Solution

The fourth proportional to 207,327.68, 286,121.40 and 116,689.52 is: 161,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,327.68 : 286,121.40 = 116,689.52 : x
  2. Step 2: Convert to fraction form
    207,327.68/286,121.40 = 116,689.52/x
  3. Step 3: Cross multiply
    207,327.68x = 286,121.40 × 116,689.52
  4. Step 4: Simplify right side
    207,327.68x = 33,387,367,397.12
  5. Step 5: Solve for x
    x = 33,387,367,397.12/207,327.68
  6. Step 6: Final answer
    x = 161,036.71

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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.