Home / 207,609.13-286,500.60-112,115.82

Finding the Fourth Proportional to 207,609.13, 286,500.60 and 112,115.82

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Solution

The fourth proportional to 207,609.13, 286,500.60 and 112,115.82 is: 154,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.13 : 286,500.60 = 112,115.82 : x
  2. Step 2: Convert to fraction form
    207,609.13/286,500.60 = 112,115.82/x
  3. Step 3: Cross multiply
    207,609.13x = 286,500.60 × 112,115.82
  4. Step 4: Simplify right side
    207,609.13x = 32,121,249,699.49
  5. Step 5: Solve for x
    x = 32,121,249,699.49/207,609.13
  6. Step 6: Final answer
    x = 154,719.83

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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.