Home / 127,266.18-175,628.78-69,906.86

Finding the Fourth Proportional to 127,266.18, 175,628.78 and 69,906.86

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Solution

The fourth proportional to 127,266.18, 175,628.78 and 69,906.86 is: 96,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.18 : 175,628.78 = 69,906.86 : x
  2. Step 2: Convert to fraction form
    127,266.18/175,628.78 = 69,906.86/x
  3. Step 3: Cross multiply
    127,266.18x = 175,628.78 × 69,906.86
  4. Step 4: Simplify right side
    127,266.18x = 12,277,656,535.43
  5. Step 5: Solve for x
    x = 12,277,656,535.43/127,266.18
  6. Step 6: Final answer
    x = 96,472.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.