Home / 120,924.13-181,386.66-36,685.03

Finding the Fourth Proportional to 120,924.13, 181,386.66 and 36,685.03

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Solution

The fourth proportional to 120,924.13, 181,386.66 and 36,685.03 is: 55,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924.13 : 181,386.66 = 36,685.03 : x
  2. Step 2: Convert to fraction form
    120,924.13/181,386.66 = 36,685.03/x
  3. Step 3: Cross multiply
    120,924.13x = 181,386.66 × 36,685.03
  4. Step 4: Simplify right side
    120,924.13x = 6,654,175,063.70
  5. Step 5: Solve for x
    x = 6,654,175,063.70/120,924.13
  6. Step 6: Final answer
    x = 55,027.69

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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.