Home / 126,166.52-174,109.29-68,805.71

Finding the Fourth Proportional to 126,166.52, 174,109.29 and 68,805.71

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Solution

The fourth proportional to 126,166.52, 174,109.29 and 68,805.71 is: 94,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.52 : 174,109.29 = 68,805.71 : x
  2. Step 2: Convert to fraction form
    126,166.52/174,109.29 = 68,805.71/x
  3. Step 3: Cross multiply
    126,166.52x = 174,109.29 × 68,805.71
  4. Step 4: Simplify right side
    126,166.52x = 11,979,712,445.50
  5. Step 5: Solve for x
    x = 11,979,712,445.50/126,166.52
  6. Step 6: Final answer
    x = 94,951.60

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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.