Home / 156,936.60-235,016.10-100,690.20

Finding the Fourth Proportional to 156,936.60, 235,016.10 and 100,690.20

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Solution

The fourth proportional to 156,936.60, 235,016.10 and 100,690.20 is: 150,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.60 : 235,016.10 = 100,690.20 : x
  2. Step 2: Convert to fraction form
    156,936.60/235,016.10 = 100,690.20/x
  3. Step 3: Cross multiply
    156,936.60x = 235,016.10 × 100,690.20
  4. Step 4: Simplify right side
    156,936.60x = 23,663,818,112.22
  5. Step 5: Solve for x
    x = 23,663,818,112.22/156,936.60
  6. Step 6: Final answer
    x = 150,785.85

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1.5x scale

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.