Home / 159,455.20-239,018.72-70,750.48

Finding the Fourth Proportional to 159,455.20, 239,018.72 and 70,750.48

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Solution

The fourth proportional to 159,455.20, 239,018.72 and 70,750.48 is: 106,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,455.20 : 239,018.72 = 70,750.48 : x
  2. Step 2: Convert to fraction form
    159,455.20/239,018.72 = 70,750.48/x
  3. Step 3: Cross multiply
    159,455.20x = 239,018.72 × 70,750.48
  4. Step 4: Simplify right side
    159,455.20x = 16,910,689,168.99
  5. Step 5: Solve for x
    x = 16,910,689,168.99/159,455.20
  6. Step 6: Final answer
    x = 106,052.92

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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.