Home / 132,451.95-182,781.09-72,022.08

Finding the Fourth Proportional to 132,451.95, 182,781.09 and 72,022.08

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Solution

The fourth proportional to 132,451.95, 182,781.09 and 72,022.08 is: 99,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.95 : 182,781.09 = 72,022.08 : x
  2. Step 2: Convert to fraction form
    132,451.95/182,781.09 = 72,022.08/x
  3. Step 3: Cross multiply
    132,451.95x = 182,781.09 × 72,022.08
  4. Step 4: Simplify right side
    132,451.95x = 13,164,274,286.47
  5. Step 5: Solve for x
    x = 13,164,274,286.47/132,451.95
  6. Step 6: Final answer
    x = 99,389.06

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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.