Home / 143,522.85-215,240.49-115,376.16

Finding the Fourth Proportional to 143,522.85, 215,240.49 and 115,376.16

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Solution

The fourth proportional to 143,522.85, 215,240.49 and 115,376.16 is: 173,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,522.85 : 215,240.49 = 115,376.16 : x
  2. Step 2: Convert to fraction form
    143,522.85/215,240.49 = 115,376.16/x
  3. Step 3: Cross multiply
    143,522.85x = 215,240.49 × 115,376.16
  4. Step 4: Simplify right side
    143,522.85x = 24,833,621,212.72
  5. Step 5: Solve for x
    x = 24,833,621,212.72/143,522.85
  6. Step 6: Final answer
    x = 173,029.04

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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.