Home / 156,961.10-235,052.85-125,857.10

Finding the Fourth Proportional to 156,961.10, 235,052.85 and 125,857.10

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Solution

The fourth proportional to 156,961.10, 235,052.85 and 125,857.10 is: 188,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.10 : 235,052.85 = 125,857.10 : x
  2. Step 2: Convert to fraction form
    156,961.10/235,052.85 = 125,857.10/x
  3. Step 3: Cross multiply
    156,961.10x = 235,052.85 × 125,857.10
  4. Step 4: Simplify right side
    156,961.10x = 29,583,070,047.74
  5. Step 5: Solve for x
    x = 29,583,070,047.74/156,961.10
  6. Step 6: Final answer
    x = 188,473.90

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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.