Home / 327,726.13-491,686.40-103,117.59

Finding the Fourth Proportional to 327,726.13, 491,686.40 and 103,117.59

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Solution

The fourth proportional to 327,726.13, 491,686.40 and 103,117.59 is: 154,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,726.13 : 491,686.40 = 103,117.59 : x
  2. Step 2: Convert to fraction form
    327,726.13/491,686.40 = 103,117.59/x
  3. Step 3: Cross multiply
    327,726.13x = 491,686.40 × 103,117.59
  4. Step 4: Simplify right side
    327,726.13x = 50,701,516,603.78
  5. Step 5: Solve for x
    x = 50,701,516,603.78/327,726.13
  6. Step 6: Final answer
    x = 154,706.97

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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.