Home / 661,366.25-991,869.17-181,480.26

Finding the Fourth Proportional to 661,366.25, 991,869.17 and 181,480.26

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Solution

The fourth proportional to 661,366.25, 991,869.17 and 181,480.26 is: 272,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,366.25 : 991,869.17 = 181,480.26 : x
  2. Step 2: Convert to fraction form
    661,366.25/991,869.17 = 181,480.26/x
  3. Step 3: Cross multiply
    661,366.25x = 991,869.17 × 181,480.26
  4. Step 4: Simplify right side
    661,366.25x = 180,004,677,669.69
  5. Step 5: Solve for x
    x = 180,004,677,669.69/661,366.25
  6. Step 6: Final answer
    x = 272,170.95

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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.