Home / 121,212.22-181,617.85-61,966.39

Finding the Fourth Proportional to 121,212.22, 181,617.85 and 61,966.39

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Solution

The fourth proportional to 121,212.22, 181,617.85 and 61,966.39 is: 92,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,212.22 : 181,617.85 = 61,966.39 : x
  2. Step 2: Convert to fraction form
    121,212.22/181,617.85 = 61,966.39/x
  3. Step 3: Cross multiply
    121,212.22x = 181,617.85 × 61,966.39
  4. Step 4: Simplify right side
    121,212.22x = 11,254,201,306.14
  5. Step 5: Solve for x
    x = 11,254,201,306.14/121,212.22
  6. Step 6: Final answer
    x = 92,847.09

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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.