Home / 143,724.02-215,612.03-59,438.43

Finding the Fourth Proportional to 143,724.02, 215,612.03 and 59,438.43

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Solution

The fourth proportional to 143,724.02, 215,612.03 and 59,438.43 is: 89,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,724.02 : 215,612.03 = 59,438.43 : x
  2. Step 2: Convert to fraction form
    143,724.02/215,612.03 = 59,438.43/x
  3. Step 3: Cross multiply
    143,724.02x = 215,612.03 × 59,438.43
  4. Step 4: Simplify right side
    143,724.02x = 12,815,640,255.12
  5. Step 5: Solve for x
    x = 12,815,640,255.12/143,724.02
  6. Step 6: Final answer
    x = 89,168.39

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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.