Home / 218,799.98-301,939.79-123,304.76

Finding the Fourth Proportional to 218,799.98, 301,939.79 and 123,304.76

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Solution

The fourth proportional to 218,799.98, 301,939.79 and 123,304.76 is: 170,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,799.98 : 301,939.79 = 123,304.76 : x
  2. Step 2: Convert to fraction form
    218,799.98/301,939.79 = 123,304.76/x
  3. Step 3: Cross multiply
    218,799.98x = 301,939.79 × 123,304.76
  4. Step 4: Simplify right side
    218,799.98x = 37,230,613,340.40
  5. Step 5: Solve for x
    x = 37,230,613,340.40/218,799.98
  6. Step 6: Final answer
    x = 170,158.21

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1.5x scale

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.