Home / 165,123.36-247,597.56-65,279.52

Finding the Fourth Proportional to 165,123.36, 247,597.56 and 65,279.52

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Solution

The fourth proportional to 165,123.36, 247,597.56 and 65,279.52 is: 97,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,123.36 : 247,597.56 = 65,279.52 : x
  2. Step 2: Convert to fraction form
    165,123.36/247,597.56 = 65,279.52/x
  3. Step 3: Cross multiply
    165,123.36x = 247,597.56 × 65,279.52
  4. Step 4: Simplify right side
    165,123.36x = 16,163,049,869.97
  5. Step 5: Solve for x
    x = 16,163,049,869.97/165,123.36
  6. Step 6: Final answer
    x = 97,884.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.