Home / 372,226.20-558,339.30-147,640.20

Finding the Fourth Proportional to 372,226.20, 558,339.30 and 147,640.20

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Solution

The fourth proportional to 372,226.20, 558,339.30 and 147,640.20 is: 221,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,226.20 : 558,339.30 = 147,640.20 : x
  2. Step 2: Convert to fraction form
    372,226.20/558,339.30 = 147,640.20/x
  3. Step 3: Cross multiply
    372,226.20x = 558,339.30 × 147,640.20
  4. Step 4: Simplify right side
    372,226.20x = 82,433,325,919.86
  5. Step 5: Solve for x
    x = 82,433,325,919.86/372,226.20
  6. Step 6: Final answer
    x = 221,460.30

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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.