Home / 132,416.90-198,702.15-49,319.30

Finding the Fourth Proportional to 132,416.90, 198,702.15 and 49,319.30

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Solution

The fourth proportional to 132,416.90, 198,702.15 and 49,319.30 is: 74,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.90 : 198,702.15 = 49,319.30 : x
  2. Step 2: Convert to fraction form
    132,416.90/198,702.15 = 49,319.30/x
  3. Step 3: Cross multiply
    132,416.90x = 198,702.15 × 49,319.30
  4. Step 4: Simplify right side
    132,416.90x = 9,799,850,946.50
  5. Step 5: Solve for x
    x = 9,799,850,946.50/132,416.90
  6. Step 6: Final answer
    x = 74,007.55

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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.