Home / 354,023.38-530,920.23-117,302.50

Finding the Fourth Proportional to 354,023.38, 530,920.23 and 117,302.50

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Solution

The fourth proportional to 354,023.38, 530,920.23 and 117,302.50 is: 175,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,023.38 : 530,920.23 = 117,302.50 : x
  2. Step 2: Convert to fraction form
    354,023.38/530,920.23 = 117,302.50/x
  3. Step 3: Cross multiply
    354,023.38x = 530,920.23 × 117,302.50
  4. Step 4: Simplify right side
    354,023.38x = 62,278,270,279.58
  5. Step 5: Solve for x
    x = 62,278,270,279.58/354,023.38
  6. Step 6: Final answer
    x = 175,915.70

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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.