Home / 102,253.92-141,107.64-56,931.93

Finding the Fourth Proportional to 102,253.92, 141,107.64 and 56,931.93

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Solution

The fourth proportional to 102,253.92, 141,107.64 and 56,931.93 is: 78,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,253.92 : 141,107.64 = 56,931.93 : x
  2. Step 2: Convert to fraction form
    102,253.92/141,107.64 = 56,931.93/x
  3. Step 3: Cross multiply
    102,253.92x = 141,107.64 × 56,931.93
  4. Step 4: Simplify right side
    102,253.92x = 8,033,530,282.95
  5. Step 5: Solve for x
    x = 8,033,530,282.95/102,253.92
  6. Step 6: Final answer
    x = 78,564.52

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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.