Home / 126,358.38-174,311.64-75,335.19

Finding the Fourth Proportional to 126,358.38, 174,311.64 and 75,335.19

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Solution

The fourth proportional to 126,358.38, 174,311.64 and 75,335.19 is: 103,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.38 : 174,311.64 = 75,335.19 : x
  2. Step 2: Convert to fraction form
    126,358.38/174,311.64 = 75,335.19/x
  3. Step 3: Cross multiply
    126,358.38x = 174,311.64 × 75,335.19
  4. Step 4: Simplify right side
    126,358.38x = 13,131,800,518.61
  5. Step 5: Solve for x
    x = 13,131,800,518.61/126,358.38
  6. Step 6: Final answer
    x = 103,925.05

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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.