Home / 372,200.16-513,589.68-251,603.76

Finding the Fourth Proportional to 372,200.16, 513,589.68 and 251,603.76

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Solution

The fourth proportional to 372,200.16, 513,589.68 and 251,603.76 is: 347,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,200.16 : 513,589.68 = 251,603.76 : x
  2. Step 2: Convert to fraction form
    372,200.16/513,589.68 = 251,603.76/x
  3. Step 3: Cross multiply
    372,200.16x = 513,589.68 × 251,603.76
  4. Step 4: Simplify right side
    372,200.16x = 129,221,094,585.20
  5. Step 5: Solve for x
    x = 129,221,094,585.20/372,200.16
  6. Step 6: Final answer
    x = 347,181.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.