Home / 121,820.11-182,756.24-36,437.66

Finding the Fourth Proportional to 121,820.11, 182,756.24 and 36,437.66

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Solution

The fourth proportional to 121,820.11, 182,756.24 and 36,437.66 is: 54,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,820.11 : 182,756.24 = 36,437.66 : x
  2. Step 2: Convert to fraction form
    121,820.11/182,756.24 = 36,437.66/x
  3. Step 3: Cross multiply
    121,820.11x = 182,756.24 × 36,437.66
  4. Step 4: Simplify right side
    121,820.11x = 6,659,209,553.81
  5. Step 5: Solve for x
    x = 6,659,209,553.81/121,820.11
  6. Step 6: Final answer
    x = 54,664.29

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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.