Home / 132,726.98-183,156.76-75,358.78

Finding the Fourth Proportional to 132,726.98, 183,156.76 and 75,358.78

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Solution

The fourth proportional to 132,726.98, 183,156.76 and 75,358.78 is: 103,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,726.98 : 183,156.76 = 75,358.78 : x
  2. Step 2: Convert to fraction form
    132,726.98/183,156.76 = 75,358.78/x
  3. Step 3: Cross multiply
    132,726.98x = 183,156.76 × 75,358.78
  4. Step 4: Simplify right side
    132,726.98x = 13,802,469,982.35
  5. Step 5: Solve for x
    x = 13,802,469,982.35/132,726.98
  6. Step 6: Final answer
    x = 103,991.44

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1.5x scale

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.