Home / 205,331.78-283,354.88-114,689.04

Finding the Fourth Proportional to 205,331.78, 283,354.88 and 114,689.04

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Solution

The fourth proportional to 205,331.78, 283,354.88 and 114,689.04 is: 158,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,331.78 : 283,354.88 = 114,689.04 : x
  2. Step 2: Convert to fraction form
    205,331.78/283,354.88 = 114,689.04/x
  3. Step 3: Cross multiply
    205,331.78x = 283,354.88 × 114,689.04
  4. Step 4: Simplify right side
    205,331.78x = 32,497,697,530.49
  5. Step 5: Solve for x
    x = 32,497,697,530.49/205,331.78
  6. Step 6: Final answer
    x = 158,269.20

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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.