Home / 102,299.22-141,167.35-56,349.92

Finding the Fourth Proportional to 102,299.22, 141,167.35 and 56,349.92

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Solution

The fourth proportional to 102,299.22, 141,167.35 and 56,349.92 is: 77,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,299.22 : 141,167.35 = 56,349.92 : x
  2. Step 2: Convert to fraction form
    102,299.22/141,167.35 = 56,349.92/x
  3. Step 3: Cross multiply
    102,299.22x = 141,167.35 × 56,349.92
  4. Step 4: Simplify right side
    102,299.22x = 7,954,768,879.11
  5. Step 5: Solve for x
    x = 7,954,768,879.11/102,299.22
  6. Step 6: Final answer
    x = 77,759.82

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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.