Home / 149,860.60-224,726.10-74,951.80

Finding the Fourth Proportional to 149,860.60, 224,726.10 and 74,951.80

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Solution

The fourth proportional to 149,860.60, 224,726.10 and 74,951.80 is: 112,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,860.60 : 224,726.10 = 74,951.80 : x
  2. Step 2: Convert to fraction form
    149,860.60/224,726.10 = 74,951.80/x
  3. Step 3: Cross multiply
    149,860.60x = 224,726.10 × 74,951.80
  4. Step 4: Simplify right side
    149,860.60x = 16,843,625,701.98
  5. Step 5: Solve for x
    x = 16,843,625,701.98/149,860.60
  6. Step 6: Final answer
    x = 112,395.29

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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.