Home / 127,288.50-175,649.68-69,916.66

Finding the Fourth Proportional to 127,288.50, 175,649.68 and 69,916.66

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Solution

The fourth proportional to 127,288.50, 175,649.68 and 69,916.66 is: 96,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.50 : 175,649.68 = 69,916.66 : x
  2. Step 2: Convert to fraction form
    127,288.50/175,649.68 = 69,916.66/x
  3. Step 3: Cross multiply
    127,288.50x = 175,649.68 × 69,916.66
  4. Step 4: Simplify right side
    127,288.50x = 12,280,838,955.67
  5. Step 5: Solve for x
    x = 12,280,838,955.67/127,288.50
  6. Step 6: Final answer
    x = 96,480.35

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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.