Home / 127,601.28-191,422.98-38,834.46

Finding the Fourth Proportional to 127,601.28, 191,422.98 and 38,834.46

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Solution

The fourth proportional to 127,601.28, 191,422.98 and 38,834.46 is: 58,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.28 : 191,422.98 = 38,834.46 : x
  2. Step 2: Convert to fraction form
    127,601.28/191,422.98 = 38,834.46/x
  3. Step 3: Cross multiply
    127,601.28x = 191,422.98 × 38,834.46
  4. Step 4: Simplify right side
    127,601.28x = 7,433,808,059.89
  5. Step 5: Solve for x
    x = 7,433,808,059.89/127,601.28
  6. Step 6: Final answer
    x = 58,258.10

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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.