Home / 558,747.57-838,149.03-159,447.18

Finding the Fourth Proportional to 558,747.57, 838,149.03 and 159,447.18

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Solution

The fourth proportional to 558,747.57, 838,149.03 and 159,447.18 is: 239,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,747.57 : 838,149.03 = 159,447.18 : x
  2. Step 2: Convert to fraction form
    558,747.57/838,149.03 = 159,447.18/x
  3. Step 3: Cross multiply
    558,747.57x = 838,149.03 × 159,447.18
  4. Step 4: Simplify right side
    558,747.57x = 133,640,499,253.24
  5. Step 5: Solve for x
    x = 133,640,499,253.24/558,747.57
  6. Step 6: Final answer
    x = 239,178.67

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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.