Home / 160,078.12-220,896.66-88,456.84

Finding the Fourth Proportional to 160,078.12, 220,896.66 and 88,456.84

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Solution

The fourth proportional to 160,078.12, 220,896.66 and 88,456.84 is: 122,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,078.12 : 220,896.66 = 88,456.84 : x
  2. Step 2: Convert to fraction form
    160,078.12/220,896.66 = 88,456.84/x
  3. Step 3: Cross multiply
    160,078.12x = 220,896.66 × 88,456.84
  4. Step 4: Simplify right side
    160,078.12x = 19,539,820,510.15
  5. Step 5: Solve for x
    x = 19,539,820,510.15/160,078.12
  6. Step 6: Final answer
    x = 122,064.28

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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.