Home / 121,144.50-181,723.23-38,044.98

Finding the Fourth Proportional to 121,144.50, 181,723.23 and 38,044.98

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Solution

The fourth proportional to 121,144.50, 181,723.23 and 38,044.98 is: 57,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,144.50 : 181,723.23 = 38,044.98 : x
  2. Step 2: Convert to fraction form
    121,144.50/181,723.23 = 38,044.98/x
  3. Step 3: Cross multiply
    121,144.50x = 181,723.23 × 38,044.98
  4. Step 4: Simplify right side
    121,144.50x = 6,913,656,650.89
  5. Step 5: Solve for x
    x = 6,913,656,650.89/121,144.50
  6. Step 6: Final answer
    x = 57,069.51

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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.