Home / 156,769.75-216,344.58-88,785.03

Finding the Fourth Proportional to 156,769.75, 216,344.58 and 88,785.03

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Solution

The fourth proportional to 156,769.75, 216,344.58 and 88,785.03 is: 122,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.75 : 216,344.58 = 88,785.03 : x
  2. Step 2: Convert to fraction form
    156,769.75/216,344.58 = 88,785.03/x
  3. Step 3: Cross multiply
    156,769.75x = 216,344.58 × 88,785.03
  4. Step 4: Simplify right side
    156,769.75x = 19,208,160,025.64
  5. Step 5: Solve for x
    x = 19,208,160,025.64/156,769.75
  6. Step 6: Final answer
    x = 122,524.66

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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.