Home / 156,847.84-216,451.38-85,227.86

Finding the Fourth Proportional to 156,847.84, 216,451.38 and 85,227.86

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Solution

The fourth proportional to 156,847.84, 216,451.38 and 85,227.86 is: 117,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,847.84 : 216,451.38 = 85,227.86 : x
  2. Step 2: Convert to fraction form
    156,847.84/216,451.38 = 85,227.86/x
  3. Step 3: Cross multiply
    156,847.84x = 216,451.38 × 85,227.86
  4. Step 4: Simplify right side
    156,847.84x = 18,447,687,554.64
  5. Step 5: Solve for x
    x = 18,447,687,554.64/156,847.84
  6. Step 6: Final answer
    x = 117,615.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.