Home / 238,018.68-357,029.24-80,248.50

Finding the Fourth Proportional to 238,018.68, 357,029.24 and 80,248.50

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Solution

The fourth proportional to 238,018.68, 357,029.24 and 80,248.50 is: 120,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,018.68 : 357,029.24 = 80,248.50 : x
  2. Step 2: Convert to fraction form
    238,018.68/357,029.24 = 80,248.50/x
  3. Step 3: Cross multiply
    238,018.68x = 357,029.24 × 80,248.50
  4. Step 4: Simplify right side
    238,018.68x = 28,651,060,564.90
  5. Step 5: Solve for x
    x = 28,651,060,564.90/238,018.68
  6. Step 6: Final answer
    x = 120,373.16

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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.