Home / 159,503.12-239,289.72-47,174.60

Finding the Fourth Proportional to 159,503.12, 239,289.72 and 47,174.60

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Solution

The fourth proportional to 159,503.12, 239,289.72 and 47,174.60 is: 70,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503.12 : 239,289.72 = 47,174.60 : x
  2. Step 2: Convert to fraction form
    159,503.12/239,289.72 = 47,174.60/x
  3. Step 3: Cross multiply
    159,503.12x = 239,289.72 × 47,174.60
  4. Step 4: Simplify right side
    159,503.12x = 11,288,396,825.11
  5. Step 5: Solve for x
    x = 11,288,396,825.11/159,503.12
  6. Step 6: Final answer
    x = 70,772.26

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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.