Home / 159,465.42-239,197.86-47,147.04

Finding the Fourth Proportional to 159,465.42, 239,197.86 and 47,147.04

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Solution

The fourth proportional to 159,465.42, 239,197.86 and 47,147.04 is: 70,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,465.42 : 239,197.86 = 47,147.04 : x
  2. Step 2: Convert to fraction form
    159,465.42/239,197.86 = 47,147.04/x
  3. Step 3: Cross multiply
    159,465.42x = 239,197.86 × 47,147.04
  4. Step 4: Simplify right side
    159,465.42x = 11,277,471,073.33
  5. Step 5: Solve for x
    x = 11,277,471,073.33/159,465.42
  6. Step 6: Final answer
    x = 70,720.48

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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.