Home / 121,029.30-181,545.24-36,803.16

Finding the Fourth Proportional to 121,029.30, 181,545.24 and 36,803.16

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Solution

The fourth proportional to 121,029.30, 181,545.24 and 36,803.16 is: 55,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.30 : 181,545.24 = 36,803.16 : x
  2. Step 2: Convert to fraction form
    121,029.30/181,545.24 = 36,803.16/x
  3. Step 3: Cross multiply
    121,029.30x = 181,545.24 × 36,803.16
  4. Step 4: Simplify right side
    121,029.30x = 6,681,438,514.96
  5. Step 5: Solve for x
    x = 6,681,438,514.96/121,029.30
  6. Step 6: Final answer
    x = 55,205.13

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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.