Home / 132,907.20-199,083.88-66,144.88

Finding the Fourth Proportional to 132,907.20, 199,083.88 and 66,144.88

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Solution

The fourth proportional to 132,907.20, 199,083.88 and 66,144.88 is: 99,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,907.20 : 199,083.88 = 66,144.88 : x
  2. Step 2: Convert to fraction form
    132,907.20/199,083.88 = 66,144.88/x
  3. Step 3: Cross multiply
    132,907.20x = 199,083.88 × 66,144.88
  4. Step 4: Simplify right side
    132,907.20x = 13,168,379,352.53
  5. Step 5: Solve for x
    x = 13,168,379,352.53/132,907.20
  6. Step 6: Final answer
    x = 99,079.50

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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.