Home / 132,976.80-199,298.88-66,435.57

Finding the Fourth Proportional to 132,976.80, 199,298.88 and 66,435.57

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Solution

The fourth proportional to 132,976.80, 199,298.88 and 66,435.57 is: 99,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.80 : 199,298.88 = 66,435.57 : x
  2. Step 2: Convert to fraction form
    132,976.80/199,298.88 = 66,435.57/x
  3. Step 3: Cross multiply
    132,976.80x = 199,298.88 × 66,435.57
  4. Step 4: Simplify right side
    132,976.80x = 13,240,534,693.16
  5. Step 5: Solve for x
    x = 13,240,534,693.16/132,976.80
  6. Step 6: Final answer
    x = 99,570.26

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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.