Home / 195,251.40-292,877.10-128,766.60

Finding the Fourth Proportional to 195,251.40, 292,877.10 and 128,766.60

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Solution

The fourth proportional to 195,251.40, 292,877.10 and 128,766.60 is: 193,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,251.40 : 292,877.10 = 128,766.60 : x
  2. Step 2: Convert to fraction form
    195,251.40/292,877.10 = 128,766.60/x
  3. Step 3: Cross multiply
    195,251.40x = 292,877.10 × 128,766.60
  4. Step 4: Simplify right side
    195,251.40x = 37,712,788,384.86
  5. Step 5: Solve for x
    x = 37,712,788,384.86/195,251.40
  6. Step 6: Final answer
    x = 193,149.90

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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.