Home / 106,906.32-147,520.71-63,877.25

Finding the Fourth Proportional to 106,906.32, 147,520.71 and 63,877.25

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Solution

The fourth proportional to 106,906.32, 147,520.71 and 63,877.25 is: 88,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,906.32 : 147,520.71 = 63,877.25 : x
  2. Step 2: Convert to fraction form
    106,906.32/147,520.71 = 63,877.25/x
  3. Step 3: Cross multiply
    106,906.32x = 147,520.71 × 63,877.25
  4. Step 4: Simplify right side
    106,906.32x = 9,423,217,272.85
  5. Step 5: Solve for x
    x = 9,423,217,272.85/106,906.32
  6. Step 6: Final answer
    x = 88,144.62

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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.