Home / 169,726.91-234,031.14-108,392.49

Finding the Fourth Proportional to 169,726.91, 234,031.14 and 108,392.49

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Solution

The fourth proportional to 169,726.91, 234,031.14 and 108,392.49 is: 149,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,726.91 : 234,031.14 = 108,392.49 : x
  2. Step 2: Convert to fraction form
    169,726.91/234,031.14 = 108,392.49/x
  3. Step 3: Cross multiply
    169,726.91x = 234,031.14 × 108,392.49
  4. Step 4: Simplify right side
    169,726.91x = 25,367,218,002.14
  5. Step 5: Solve for x
    x = 25,367,218,002.14/169,726.91
  6. Step 6: Final answer
    x = 149,459.03

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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.