Home / 127,286.34-175,635.62-73,560.98

Finding the Fourth Proportional to 127,286.34, 175,635.62 and 73,560.98

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Solution

The fourth proportional to 127,286.34, 175,635.62 and 73,560.98 is: 101,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,286.34 : 175,635.62 = 73,560.98 : x
  2. Step 2: Convert to fraction form
    127,286.34/175,635.62 = 73,560.98/x
  3. Step 3: Cross multiply
    127,286.34x = 175,635.62 × 73,560.98
  4. Step 4: Simplify right side
    127,286.34x = 12,919,928,330.11
  5. Step 5: Solve for x
    x = 12,919,928,330.11/127,286.34
  6. Step 6: Final answer
    x = 101,502.87

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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.