Home / 156,902.40-235,353.60-57,065.85

Finding the Fourth Proportional to 156,902.40, 235,353.60 and 57,065.85

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Solution

The fourth proportional to 156,902.40, 235,353.60 and 57,065.85 is: 85,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.40 : 235,353.60 = 57,065.85 : x
  2. Step 2: Convert to fraction form
    156,902.40/235,353.60 = 57,065.85/x
  3. Step 3: Cross multiply
    156,902.40x = 235,353.60 × 57,065.85
  4. Step 4: Simplify right side
    156,902.40x = 13,430,653,234.56
  5. Step 5: Solve for x
    x = 13,430,653,234.56/156,902.40
  6. Step 6: Final answer
    x = 85,598.78

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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.