Home / 121,204.20-181,806.07-54,566.46

Finding the Fourth Proportional to 121,204.20, 181,806.07 and 54,566.46

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Solution

The fourth proportional to 121,204.20, 181,806.07 and 54,566.46 is: 81,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204.20 : 181,806.07 = 54,566.46 : x
  2. Step 2: Convert to fraction form
    121,204.20/181,806.07 = 54,566.46/x
  3. Step 3: Cross multiply
    121,204.20x = 181,806.07 × 54,566.46
  4. Step 4: Simplify right side
    121,204.20x = 9,920,513,612.31
  5. Step 5: Solve for x
    x = 9,920,513,612.31/121,204.20
  6. Step 6: Final answer
    x = 81,849.59

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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.