Home / 123,726.18-185,599.68-39,498.36

Finding the Fourth Proportional to 123,726.18, 185,599.68 and 39,498.36

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Solution

The fourth proportional to 123,726.18, 185,599.68 and 39,498.36 is: 59,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,726.18 : 185,599.68 = 39,498.36 : x
  2. Step 2: Convert to fraction form
    123,726.18/185,599.68 = 39,498.36/x
  3. Step 3: Cross multiply
    123,726.18x = 185,599.68 × 39,498.36
  4. Step 4: Simplify right side
    123,726.18x = 7,330,882,976.52
  5. Step 5: Solve for x
    x = 7,330,882,976.52/123,726.18
  6. Step 6: Final answer
    x = 59,250.86

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1.5x scale

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.