Home / 156,774.66-216,351.89-88,805.75

Finding the Fourth Proportional to 156,774.66, 216,351.89 and 88,805.75

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Solution

The fourth proportional to 156,774.66, 216,351.89 and 88,805.75 is: 122,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,774.66 : 216,351.89 = 88,805.75 : x
  2. Step 2: Convert to fraction form
    156,774.66/216,351.89 = 88,805.75/x
  3. Step 3: Cross multiply
    156,774.66x = 216,351.89 × 88,805.75
  4. Step 4: Simplify right side
    156,774.66x = 19,213,290,329.58
  5. Step 5: Solve for x
    x = 19,213,290,329.58/156,774.66
  6. Step 6: Final answer
    x = 122,553.54

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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.