Home / 372,233.16-513,860.22-229,115.88

Finding the Fourth Proportional to 372,233.16, 513,860.22 and 229,115.88

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Solution

The fourth proportional to 372,233.16, 513,860.22 and 229,115.88 is: 316,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,233.16 : 513,860.22 = 229,115.88 : x
  2. Step 2: Convert to fraction form
    372,233.16/513,860.22 = 229,115.88/x
  3. Step 3: Cross multiply
    372,233.16x = 513,860.22 × 229,115.88
  4. Step 4: Simplify right side
    372,233.16x = 117,733,536,502.29
  5. Step 5: Solve for x
    x = 117,733,536,502.29/372,233.16
  6. Step 6: Final answer
    x = 316,289.76

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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.