Home / 121,163.90-181,753.95-41,200.70

Finding the Fourth Proportional to 121,163.90, 181,753.95 and 41,200.70

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Solution

The fourth proportional to 121,163.90, 181,753.95 and 41,200.70 is: 61,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,163.90 : 181,753.95 = 41,200.70 : x
  2. Step 2: Convert to fraction form
    121,163.90/181,753.95 = 41,200.70/x
  3. Step 3: Cross multiply
    121,163.90x = 181,753.95 × 41,200.70
  4. Step 4: Simplify right side
    121,163.90x = 7,488,389,967.77
  5. Step 5: Solve for x
    x = 7,488,389,967.77/121,163.90
  6. Step 6: Final answer
    x = 61,803.80

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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.