Home / 121,114.96-181,651.02-36,854.80

Finding the Fourth Proportional to 121,114.96, 181,651.02 and 36,854.80

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Solution

The fourth proportional to 121,114.96, 181,651.02 and 36,854.80 is: 55,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,114.96 : 181,651.02 = 36,854.80 : x
  2. Step 2: Convert to fraction form
    121,114.96/181,651.02 = 36,854.80/x
  3. Step 3: Cross multiply
    121,114.96x = 181,651.02 × 36,854.80
  4. Step 4: Simplify right side
    121,114.96x = 6,694,712,011.90
  5. Step 5: Solve for x
    x = 6,694,712,011.90/121,114.96
  6. Step 6: Final answer
    x = 55,275.68

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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.