Home / 212,826.15-319,209.12-63,082.26

Finding the Fourth Proportional to 212,826.15, 319,209.12 and 63,082.26

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Solution

The fourth proportional to 212,826.15, 319,209.12 and 63,082.26 is: 94,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826.15 : 319,209.12 = 63,082.26 : x
  2. Step 2: Convert to fraction form
    212,826.15/319,209.12 = 63,082.26/x
  3. Step 3: Cross multiply
    212,826.15x = 319,209.12 × 63,082.26
  4. Step 4: Simplify right side
    212,826.15x = 20,136,432,702.21
  5. Step 5: Solve for x
    x = 20,136,432,702.21/212,826.15
  6. Step 6: Final answer
    x = 94,614.47

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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.