Home / 102,286.08-141,154.72-57,575.04

Finding the Fourth Proportional to 102,286.08, 141,154.72 and 57,575.04

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Solution

The fourth proportional to 102,286.08, 141,154.72 and 57,575.04 is: 79,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,286.08 : 141,154.72 = 57,575.04 : x
  2. Step 2: Convert to fraction form
    102,286.08/141,154.72 = 57,575.04/x
  3. Step 3: Cross multiply
    102,286.08x = 141,154.72 × 57,575.04
  4. Step 4: Simplify right side
    102,286.08x = 8,126,988,650.19
  5. Step 5: Solve for x
    x = 8,126,988,650.19/102,286.08
  6. Step 6: Final answer
    x = 79,453.52

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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.