Home / 162,780.55-244,170.83-103,658.65

Finding the Fourth Proportional to 162,780.55, 244,170.83 and 103,658.65

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Solution

The fourth proportional to 162,780.55, 244,170.83 and 103,658.65 is: 155,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.55 : 244,170.83 = 103,658.65 : x
  2. Step 2: Convert to fraction form
    162,780.55/244,170.83 = 103,658.65/x
  3. Step 3: Cross multiply
    162,780.55x = 244,170.83 × 103,658.65
  4. Step 4: Simplify right side
    162,780.55x = 25,310,418,607.18
  5. Step 5: Solve for x
    x = 25,310,418,607.18/162,780.55
  6. Step 6: Final answer
    x = 155,487.98

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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.