Home / 108,759.45-163,198.62-42,202.19

Finding the Fourth Proportional to 108,759.45, 163,198.62 and 42,202.19

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Solution

The fourth proportional to 108,759.45, 163,198.62 and 42,202.19 is: 63,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.45 : 163,198.62 = 42,202.19 : x
  2. Step 2: Convert to fraction form
    108,759.45/163,198.62 = 42,202.19/x
  3. Step 3: Cross multiply
    108,759.45x = 163,198.62 × 42,202.19
  4. Step 4: Simplify right side
    108,759.45x = 6,887,338,957.97
  5. Step 5: Solve for x
    x = 6,887,338,957.97/108,759.45
  6. Step 6: Final answer
    x = 63,326.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.