Home / 156,230.96-234,429.06-85,204.76

Finding the Fourth Proportional to 156,230.96, 234,429.06 and 85,204.76

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Solution

The fourth proportional to 156,230.96, 234,429.06 and 85,204.76 is: 127,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,230.96 : 234,429.06 = 85,204.76 : x
  2. Step 2: Convert to fraction form
    156,230.96/234,429.06 = 85,204.76/x
  3. Step 3: Cross multiply
    156,230.96x = 234,429.06 × 85,204.76
  4. Step 4: Simplify right side
    156,230.96x = 19,974,471,794.33
  5. Step 5: Solve for x
    x = 19,974,471,794.33/156,230.96
  6. Step 6: Final answer
    x = 127,852.20

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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.