Home / 132,286.56-182,546.02-74,909.40

Finding the Fourth Proportional to 132,286.56, 182,546.02 and 74,909.40

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Solution

The fourth proportional to 132,286.56, 182,546.02 and 74,909.40 is: 103,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.56 : 182,546.02 = 74,909.40 : x
  2. Step 2: Convert to fraction form
    132,286.56/182,546.02 = 74,909.40/x
  3. Step 3: Cross multiply
    132,286.56x = 182,546.02 × 74,909.40
  4. Step 4: Simplify right side
    132,286.56x = 13,674,411,543.31
  5. Step 5: Solve for x
    x = 13,674,411,543.31/132,286.56
  6. Step 6: Final answer
    x = 103,369.62

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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.