Home / 127,854.20-191,781.30-44,756.60

Finding the Fourth Proportional to 127,854.20, 191,781.30 and 44,756.60

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Solution

The fourth proportional to 127,854.20, 191,781.30 and 44,756.60 is: 67,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.20 : 191,781.30 = 44,756.60 : x
  2. Step 2: Convert to fraction form
    127,854.20/191,781.30 = 44,756.60/x
  3. Step 3: Cross multiply
    127,854.20x = 191,781.30 × 44,756.60
  4. Step 4: Simplify right side
    127,854.20x = 8,583,478,931.58
  5. Step 5: Solve for x
    x = 8,583,478,931.58/127,854.20
  6. Step 6: Final answer
    x = 67,134.90

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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.