Home / 118,819.35-178,191.36-38,839.21

Finding the Fourth Proportional to 118,819.35, 178,191.36 and 38,839.21

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Solution

The fourth proportional to 118,819.35, 178,191.36 and 38,839.21 is: 58,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,819.35 : 178,191.36 = 38,839.21 : x
  2. Step 2: Convert to fraction form
    118,819.35/178,191.36 = 38,839.21/x
  3. Step 3: Cross multiply
    118,819.35x = 178,191.36 × 38,839.21
  4. Step 4: Simplify right side
    118,819.35x = 6,920,811,205.75
  5. Step 5: Solve for x
    x = 6,920,811,205.75/118,819.35
  6. Step 6: Final answer
    x = 58,246.50

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1.5x scale

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.