Home / 126,320.88-174,316.69-71,867.92

Finding the Fourth Proportional to 126,320.88, 174,316.69 and 71,867.92

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Solution

The fourth proportional to 126,320.88, 174,316.69 and 71,867.92 is: 99,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,320.88 : 174,316.69 = 71,867.92 : x
  2. Step 2: Convert to fraction form
    126,320.88/174,316.69 = 71,867.92/x
  3. Step 3: Cross multiply
    126,320.88x = 174,316.69 × 71,867.92
  4. Step 4: Simplify right side
    126,320.88x = 12,527,777,931.58
  5. Step 5: Solve for x
    x = 12,527,777,931.58/126,320.88
  6. Step 6: Final answer
    x = 99,174.25

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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.