Home / 372,230.03-513,538.28-219,174.66

Finding the Fourth Proportional to 372,230.03, 513,538.28 and 219,174.66

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Solution

The fourth proportional to 372,230.03, 513,538.28 and 219,174.66 is: 302,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,230.03 : 513,538.28 = 219,174.66 : x
  2. Step 2: Convert to fraction form
    372,230.03/513,538.28 = 219,174.66/x
  3. Step 3: Cross multiply
    372,230.03x = 513,538.28 × 219,174.66
  4. Step 4: Simplify right side
    372,230.03x = 112,554,577,642.02
  5. Step 5: Solve for x
    x = 112,554,577,642.02/372,230.03
  6. Step 6: Final answer
    x = 302,379.09

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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.