Home / 215,624.13-297,548.88-123,723.96

Finding the Fourth Proportional to 215,624.13, 297,548.88 and 123,723.96

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Solution

The fourth proportional to 215,624.13, 297,548.88 and 123,723.96 is: 170,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,624.13 : 297,548.88 = 123,723.96 : x
  2. Step 2: Convert to fraction form
    215,624.13/297,548.88 = 123,723.96/x
  3. Step 3: Cross multiply
    215,624.13x = 297,548.88 × 123,723.96
  4. Step 4: Simplify right side
    215,624.13x = 36,813,924,147.39
  5. Step 5: Solve for x
    x = 36,813,924,147.39/215,624.13
  6. Step 6: Final answer
    x = 170,731.93

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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.