Home / 311,005.10-466,507.65-100,793.90

Finding the Fourth Proportional to 311,005.10, 466,507.65 and 100,793.90

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Solution

The fourth proportional to 311,005.10, 466,507.65 and 100,793.90 is: 151,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,005.10 : 466,507.65 = 100,793.90 : x
  2. Step 2: Convert to fraction form
    311,005.10/466,507.65 = 100,793.90/x
  3. Step 3: Cross multiply
    311,005.10x = 466,507.65 × 100,793.90
  4. Step 4: Simplify right side
    311,005.10x = 47,021,125,423.34
  5. Step 5: Solve for x
    x = 47,021,125,423.34/311,005.10
  6. Step 6: Final answer
    x = 151,190.85

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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.