Home / 269,283.68-371,589.63-156,113.72

Finding the Fourth Proportional to 269,283.68, 371,589.63 and 156,113.72

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Solution

The fourth proportional to 269,283.68, 371,589.63 and 156,113.72 is: 215,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,283.68 : 371,589.63 = 156,113.72 : x
  2. Step 2: Convert to fraction form
    269,283.68/371,589.63 = 156,113.72/x
  3. Step 3: Cross multiply
    269,283.68x = 371,589.63 × 156,113.72
  4. Step 4: Simplify right side
    269,283.68x = 58,010,239,452.72
  5. Step 5: Solve for x
    x = 58,010,239,452.72/269,283.68
  6. Step 6: Final answer
    x = 215,424.27

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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.