Home / 160,218.10-221,104.76-88,599.52

Finding the Fourth Proportional to 160,218.10, 221,104.76 and 88,599.52

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Solution

The fourth proportional to 160,218.10, 221,104.76 and 88,599.52 is: 122,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,218.10 : 221,104.76 = 88,599.52 : x
  2. Step 2: Convert to fraction form
    160,218.10/221,104.76 = 88,599.52/x
  3. Step 3: Cross multiply
    160,218.10x = 221,104.76 × 88,599.52
  4. Step 4: Simplify right side
    160,218.10x = 19,589,775,605.72
  5. Step 5: Solve for x
    x = 19,589,775,605.72/160,218.10
  6. Step 6: Final answer
    x = 122,269.43

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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.