Home / 134,481.47-201,663.86-45,711.14

Finding the Fourth Proportional to 134,481.47, 201,663.86 and 45,711.14

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Solution

The fourth proportional to 134,481.47, 201,663.86 and 45,711.14 is: 68,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,481.47 : 201,663.86 = 45,711.14 : x
  2. Step 2: Convert to fraction form
    134,481.47/201,663.86 = 45,711.14/x
  3. Step 3: Cross multiply
    134,481.47x = 201,663.86 × 45,711.14
  4. Step 4: Simplify right side
    134,481.47x = 9,218,283,700.53
  5. Step 5: Solve for x
    x = 9,218,283,700.53/134,481.47
  6. Step 6: Final answer
    x = 68,546.87

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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.