Home / 502,680.06-754,140.33-147,686.22

Finding the Fourth Proportional to 502,680.06, 754,140.33 and 147,686.22

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Solution

The fourth proportional to 502,680.06, 754,140.33 and 147,686.22 is: 221,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,680.06 : 754,140.33 = 147,686.22 : x
  2. Step 2: Convert to fraction form
    502,680.06/754,140.33 = 147,686.22/x
  3. Step 3: Cross multiply
    502,680.06x = 754,140.33 × 147,686.22
  4. Step 4: Simplify right side
    502,680.06x = 111,376,134,687.25
  5. Step 5: Solve for x
    x = 111,376,134,687.25/502,680.06
  6. Step 6: Final answer
    x = 221,564.66

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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.