Home / 126,543.66-174,625.38-75,564.96

Finding the Fourth Proportional to 126,543.66, 174,625.38 and 75,564.96

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Solution

The fourth proportional to 126,543.66, 174,625.38 and 75,564.96 is: 104,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,543.66 : 174,625.38 = 75,564.96 : x
  2. Step 2: Convert to fraction form
    126,543.66/174,625.38 = 75,564.96/x
  3. Step 3: Cross multiply
    126,543.66x = 174,625.38 × 75,564.96
  4. Step 4: Simplify right side
    126,543.66x = 13,195,559,854.68
  5. Step 5: Solve for x
    x = 13,195,559,854.68/126,543.66
  6. Step 6: Final answer
    x = 104,276.74

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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.