Home / 238,983.20-358,885.20-132,322.40

Finding the Fourth Proportional to 238,983.20, 358,885.20 and 132,322.40

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Solution

The fourth proportional to 238,983.20, 358,885.20 and 132,322.40 is: 198,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,983.20 : 358,885.20 = 132,322.40 : x
  2. Step 2: Convert to fraction form
    238,983.20/358,885.20 = 132,322.40/x
  3. Step 3: Cross multiply
    238,983.20x = 358,885.20 × 132,322.40
  4. Step 4: Simplify right side
    238,983.20x = 47,488,550,988.48
  5. Step 5: Solve for x
    x = 47,488,550,988.48/238,983.20
  6. Step 6: Final answer
    x = 198,710.83

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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.