Home / 238,020.61-357,032.14-80,250.43

Finding the Fourth Proportional to 238,020.61, 357,032.14 and 80,250.43

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Solution

The fourth proportional to 238,020.61, 357,032.14 and 80,250.43 is: 120,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.61 : 357,032.14 = 80,250.43 : x
  2. Step 2: Convert to fraction form
    238,020.61/357,032.14 = 80,250.43/x
  3. Step 3: Cross multiply
    238,020.61x = 357,032.14 × 80,250.43
  4. Step 4: Simplify right side
    238,020.61x = 28,651,982,758.82
  5. Step 5: Solve for x
    x = 28,651,982,758.82/238,020.61
  6. Step 6: Final answer
    x = 120,376.06

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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.