Home / 127,229.20-190,931.25-44,123.20

Finding the Fourth Proportional to 127,229.20, 190,931.25 and 44,123.20

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Solution

The fourth proportional to 127,229.20, 190,931.25 and 44,123.20 is: 66,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.20 : 190,931.25 = 44,123.20 : x
  2. Step 2: Convert to fraction form
    127,229.20/190,931.25 = 44,123.20/x
  3. Step 3: Cross multiply
    127,229.20x = 190,931.25 × 44,123.20
  4. Step 4: Simplify right side
    127,229.20x = 8,424,497,730.00
  5. Step 5: Solve for x
    x = 8,424,497,730.00/127,229.20
  6. Step 6: Final answer
    x = 66,215.13

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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.