Home / 132,126.33-182,366.73-81,151.28

Finding the Fourth Proportional to 132,126.33, 182,366.73 and 81,151.28

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Solution

The fourth proportional to 132,126.33, 182,366.73 and 81,151.28 is: 112,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,126.33 : 182,366.73 = 81,151.28 : x
  2. Step 2: Convert to fraction form
    132,126.33/182,366.73 = 81,151.28/x
  3. Step 3: Cross multiply
    132,126.33x = 182,366.73 × 81,151.28
  4. Step 4: Simplify right side
    132,126.33x = 14,799,292,657.08
  5. Step 5: Solve for x
    x = 14,799,292,657.08/132,126.33
  6. Step 6: Final answer
    x = 112,008.66

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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.