Home / 147,218.14-220,892.76-53,702.02

Finding the Fourth Proportional to 147,218.14, 220,892.76 and 53,702.02

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Solution

The fourth proportional to 147,218.14, 220,892.76 and 53,702.02 is: 80,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.14 : 220,892.76 = 53,702.02 : x
  2. Step 2: Convert to fraction form
    147,218.14/220,892.76 = 53,702.02/x
  3. Step 3: Cross multiply
    147,218.14x = 220,892.76 × 53,702.02
  4. Step 4: Simplify right side
    147,218.14x = 11,862,387,415.38
  5. Step 5: Solve for x
    x = 11,862,387,415.38/147,218.14
  6. Step 6: Final answer
    x = 80,576.94

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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.