Home / 156,961.60-235,442.40-112,494.40

Finding the Fourth Proportional to 156,961.60, 235,442.40 and 112,494.40

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Solution

The fourth proportional to 156,961.60, 235,442.40 and 112,494.40 is: 168,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.60 : 235,442.40 = 112,494.40 : x
  2. Step 2: Convert to fraction form
    156,961.60/235,442.40 = 112,494.40/x
  3. Step 3: Cross multiply
    156,961.60x = 235,442.40 × 112,494.40
  4. Step 4: Simplify right side
    156,961.60x = 26,485,951,522.56
  5. Step 5: Solve for x
    x = 26,485,951,522.56/156,961.60
  6. Step 6: Final answer
    x = 168,741.60

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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.