Home / 143,844.26-215,815-59,644.76

Finding the Fourth Proportional to 143,844.26, 215,815 and 59,644.76

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Solution

The fourth proportional to 143,844.26, 215,815 and 59,644.76 is: 89,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,844.26 : 215,815 = 59,644.76 : x
  2. Step 2: Convert to fraction form
    143,844.26/215,815 = 59,644.76/x
  3. Step 3: Cross multiply
    143,844.26x = 215,815 × 59,644.76
  4. Step 4: Simplify right side
    143,844.26x = 12,872,233,879.40
  5. Step 5: Solve for x
    x = 12,872,233,879.40/143,844.26
  6. Step 6: Final answer
    x = 89,487.30

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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.