Home / 159,401.93-239,142.07-47,081.55

Finding the Fourth Proportional to 159,401.93, 239,142.07 and 47,081.55

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Solution

The fourth proportional to 159,401.93, 239,142.07 and 47,081.55 is: 70,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,401.93 : 239,142.07 = 47,081.55 : x
  2. Step 2: Convert to fraction form
    159,401.93/239,142.07 = 47,081.55/x
  3. Step 3: Cross multiply
    159,401.93x = 239,142.07 × 47,081.55
  4. Step 4: Simplify right side
    159,401.93x = 11,259,180,281.44
  5. Step 5: Solve for x
    x = 11,259,180,281.44/159,401.93
  6. Step 6: Final answer
    x = 70,633.90

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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.