Home / 109,207.11-163,726.81-98,079.83

Finding the Fourth Proportional to 109,207.11, 163,726.81 and 98,079.83

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Solution

The fourth proportional to 109,207.11, 163,726.81 and 98,079.83 is: 147,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.11 : 163,726.81 = 98,079.83 : x
  2. Step 2: Convert to fraction form
    109,207.11/163,726.81 = 98,079.83/x
  3. Step 3: Cross multiply
    109,207.11x = 163,726.81 × 98,079.83
  4. Step 4: Simplify right side
    109,207.11x = 16,058,296,627.41
  5. Step 5: Solve for x
    x = 16,058,296,627.41/109,207.11
  6. Step 6: Final answer
    x = 147,044.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.