Home / 106,613.32-147,126.60-58,866.76

Finding the Fourth Proportional to 106,613.32, 147,126.60 and 58,866.76

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Solution

The fourth proportional to 106,613.32, 147,126.60 and 58,866.76 is: 81,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.32 : 147,126.60 = 58,866.76 : x
  2. Step 2: Convert to fraction form
    106,613.32/147,126.60 = 58,866.76/x
  3. Step 3: Cross multiply
    106,613.32x = 147,126.60 × 58,866.76
  4. Step 4: Simplify right side
    106,613.32x = 8,660,866,251.82
  5. Step 5: Solve for x
    x = 8,660,866,251.82/106,613.32
  6. Step 6: Final answer
    x = 81,236.25

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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.