Home / 205,199.28-283,292.82-156,418.26

Finding the Fourth Proportional to 205,199.28, 283,292.82 and 156,418.26

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Solution

The fourth proportional to 205,199.28, 283,292.82 and 156,418.26 is: 215,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,199.28 : 283,292.82 = 156,418.26 : x
  2. Step 2: Convert to fraction form
    205,199.28/283,292.82 = 156,418.26/x
  3. Step 3: Cross multiply
    205,199.28x = 283,292.82 × 156,418.26
  4. Step 4: Simplify right side
    205,199.28x = 44,312,169,974.89
  5. Step 5: Solve for x
    x = 44,312,169,974.89/205,199.28
  6. Step 6: Final answer
    x = 215,947.01

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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.