Home / 218,397.03-301,363.16-122,901.27

Finding the Fourth Proportional to 218,397.03, 301,363.16 and 122,901.27

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Solution

The fourth proportional to 218,397.03, 301,363.16 and 122,901.27 is: 169,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,397.03 : 301,363.16 = 122,901.27 : x
  2. Step 2: Convert to fraction form
    218,397.03/301,363.16 = 122,901.27/x
  3. Step 3: Cross multiply
    218,397.03x = 301,363.16 × 122,901.27
  4. Step 4: Simplify right side
    218,397.03x = 37,037,914,480.71
  5. Step 5: Solve for x
    x = 37,037,914,480.71/218,397.03
  6. Step 6: Final answer
    x = 169,589.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.