Home / 371,826.12-513,123.24-202,060.24

Finding the Fourth Proportional to 371,826.12, 513,123.24 and 202,060.24

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Solution

The fourth proportional to 371,826.12, 513,123.24 and 202,060.24 is: 278,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,826.12 : 513,123.24 = 202,060.24 : x
  2. Step 2: Convert to fraction form
    371,826.12/513,123.24 = 202,060.24/x
  3. Step 3: Cross multiply
    371,826.12x = 513,123.24 × 202,060.24
  4. Step 4: Simplify right side
    371,826.12x = 103,681,805,023.98
  5. Step 5: Solve for x
    x = 103,681,805,023.98/371,826.12
  6. Step 6: Final answer
    x = 278,844.87

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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.