Home / 156,074.80-215,383.96-88,094.64

Finding the Fourth Proportional to 156,074.80, 215,383.96 and 88,094.64

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Solution

The fourth proportional to 156,074.80, 215,383.96 and 88,094.64 is: 121,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,074.80 : 215,383.96 = 88,094.64 : x
  2. Step 2: Convert to fraction form
    156,074.80/215,383.96 = 88,094.64/x
  3. Step 3: Cross multiply
    156,074.80x = 215,383.96 × 88,094.64
  4. Step 4: Simplify right side
    156,074.80x = 18,974,172,124.25
  5. Step 5: Solve for x
    x = 18,974,172,124.25/156,074.80
  6. Step 6: Final answer
    x = 121,571.02

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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.