Home / 159,495.20-239,289.57-47,178.38

Finding the Fourth Proportional to 159,495.20, 239,289.57 and 47,178.38

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Solution

The fourth proportional to 159,495.20, 239,289.57 and 47,178.38 is: 70,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495.20 : 239,289.57 = 47,178.38 : x
  2. Step 2: Convert to fraction form
    159,495.20/239,289.57 = 47,178.38/x
  3. Step 3: Cross multiply
    159,495.20x = 239,289.57 × 47,178.38
  4. Step 4: Simplify right side
    159,495.20x = 11,289,293,067.05
  5. Step 5: Solve for x
    x = 11,289,293,067.05/159,495.20
  6. Step 6: Final answer
    x = 70,781.40

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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.