Home / 132,308.60-182,572.70-74,936.47

Finding the Fourth Proportional to 132,308.60, 182,572.70 and 74,936.47

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Solution

The fourth proportional to 132,308.60, 182,572.70 and 74,936.47 is: 103,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.60 : 182,572.70 = 74,936.47 : x
  2. Step 2: Convert to fraction form
    132,308.60/182,572.70 = 74,936.47/x
  3. Step 3: Cross multiply
    132,308.60x = 182,572.70 × 74,936.47
  4. Step 4: Simplify right side
    132,308.60x = 13,681,353,914.82
  5. Step 5: Solve for x
    x = 13,681,353,914.82/132,308.60
  6. Step 6: Final answer
    x = 103,404.87

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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.