Home / 121,090.23-181,642.17-36,853.14

Finding the Fourth Proportional to 121,090.23, 181,642.17 and 36,853.14

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Solution

The fourth proportional to 121,090.23, 181,642.17 and 36,853.14 is: 55,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,090.23 : 181,642.17 = 36,853.14 : x
  2. Step 2: Convert to fraction form
    121,090.23/181,642.17 = 36,853.14/x
  3. Step 3: Cross multiply
    121,090.23x = 181,642.17 × 36,853.14
  4. Step 4: Simplify right side
    121,090.23x = 6,694,084,320.91
  5. Step 5: Solve for x
    x = 6,694,084,320.91/121,090.23
  6. Step 6: Final answer
    x = 55,281.79

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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.