Home / 212,764.08-319,147.17-63,007.20

Finding the Fourth Proportional to 212,764.08, 319,147.17 and 63,007.20

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Solution

The fourth proportional to 212,764.08, 319,147.17 and 63,007.20 is: 94,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,764.08 : 319,147.17 = 63,007.20 : x
  2. Step 2: Convert to fraction form
    212,764.08/319,147.17 = 63,007.20/x
  3. Step 3: Cross multiply
    212,764.08x = 319,147.17 × 63,007.20
  4. Step 4: Simplify right side
    212,764.08x = 20,108,569,569.62
  5. Step 5: Solve for x
    x = 20,108,569,569.62/212,764.08
  6. Step 6: Final answer
    x = 94,511.11

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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.