Home / 143,358.30-215,063.33-59,072.40

Finding the Fourth Proportional to 143,358.30, 215,063.33 and 59,072.40

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Solution

The fourth proportional to 143,358.30, 215,063.33 and 59,072.40 is: 88,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,358.30 : 215,063.33 = 59,072.40 : x
  2. Step 2: Convert to fraction form
    143,358.30/215,063.33 = 59,072.40/x
  3. Step 3: Cross multiply
    143,358.30x = 215,063.33 × 59,072.40
  4. Step 4: Simplify right side
    143,358.30x = 12,704,306,759.73
  5. Step 5: Solve for x
    x = 12,704,306,759.73/143,358.30
  6. Step 6: Final answer
    x = 88,619.26

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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.