Home / 156,961.60-235,442.40-107,195.20

Finding the Fourth Proportional to 156,961.60, 235,442.40 and 107,195.20

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Solution

The fourth proportional to 156,961.60, 235,442.40 and 107,195.20 is: 160,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.60 : 235,442.40 = 107,195.20 : x
  2. Step 2: Convert to fraction form
    156,961.60/235,442.40 = 107,195.20/x
  3. Step 3: Cross multiply
    156,961.60x = 235,442.40 × 107,195.20
  4. Step 4: Simplify right side
    156,961.60x = 25,238,295,156.48
  5. Step 5: Solve for x
    x = 25,238,295,156.48/156,961.60
  6. Step 6: Final answer
    x = 160,792.80

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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.