Home / 143,555.11-215,174.08-59,268.80

Finding the Fourth Proportional to 143,555.11, 215,174.08 and 59,268.80

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Solution

The fourth proportional to 143,555.11, 215,174.08 and 59,268.80 is: 88,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,555.11 : 215,174.08 = 59,268.80 : x
  2. Step 2: Convert to fraction form
    143,555.11/215,174.08 = 59,268.80/x
  3. Step 3: Cross multiply
    143,555.11x = 215,174.08 × 59,268.80
  4. Step 4: Simplify right side
    143,555.11x = 12,753,109,902.47
  5. Step 5: Solve for x
    x = 12,753,109,902.47/143,555.11
  6. Step 6: Final answer
    x = 88,837.73

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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.