Home / 156,821.83-216,414.65-88,851.39

Finding the Fourth Proportional to 156,821.83, 216,414.65 and 88,851.39

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Solution

The fourth proportional to 156,821.83, 216,414.65 and 88,851.39 is: 122,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.83 : 216,414.65 = 88,851.39 : x
  2. Step 2: Convert to fraction form
    156,821.83/216,414.65 = 88,851.39/x
  3. Step 3: Cross multiply
    156,821.83x = 216,414.65 × 88,851.39
  4. Step 4: Simplify right side
    156,821.83x = 19,228,741,546.24
  5. Step 5: Solve for x
    x = 19,228,741,546.24/156,821.83
  6. Step 6: Final answer
    x = 122,615.21

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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.