Home / 162,780.30-244,170.45-99,794.70

Finding the Fourth Proportional to 162,780.30, 244,170.45 and 99,794.70

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Solution

The fourth proportional to 162,780.30, 244,170.45 and 99,794.70 is: 149,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.30 : 244,170.45 = 99,794.70 : x
  2. Step 2: Convert to fraction form
    162,780.30/244,170.45 = 99,794.70/x
  3. Step 3: Cross multiply
    162,780.30x = 244,170.45 × 99,794.70
  4. Step 4: Simplify right side
    162,780.30x = 24,366,916,806.62
  5. Step 5: Solve for x
    x = 24,366,916,806.62/162,780.30
  6. Step 6: Final answer
    x = 149,692.05

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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.