Home / 126,498.24-174,565.80-69,908.40

Finding the Fourth Proportional to 126,498.24, 174,565.80 and 69,908.40

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Solution

The fourth proportional to 126,498.24, 174,565.80 and 69,908.40 is: 96,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,498.24 : 174,565.80 = 69,908.40 : x
  2. Step 2: Convert to fraction form
    126,498.24/174,565.80 = 69,908.40/x
  3. Step 3: Cross multiply
    126,498.24x = 174,565.80 × 69,908.40
  4. Step 4: Simplify right side
    126,498.24x = 12,203,615,772.72
  5. Step 5: Solve for x
    x = 12,203,615,772.72/126,498.24
  6. Step 6: Final answer
    x = 96,472.61

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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.