Home / 235,489.10-353,184.18-77,680.58

Finding the Fourth Proportional to 235,489.10, 353,184.18 and 77,680.58

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Solution

The fourth proportional to 235,489.10, 353,184.18 and 77,680.58 is: 116,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,489.10 : 353,184.18 = 77,680.58 : x
  2. Step 2: Convert to fraction form
    235,489.10/353,184.18 = 77,680.58/x
  3. Step 3: Cross multiply
    235,489.10x = 353,184.18 × 77,680.58
  4. Step 4: Simplify right side
    235,489.10x = 27,435,550,183.30
  5. Step 5: Solve for x
    x = 27,435,550,183.30/235,489.10
  6. Step 6: Final answer
    x = 116,504.55

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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.