Home / 132,181.85-182,405.58-71,750.18

Finding the Fourth Proportional to 132,181.85, 182,405.58 and 71,750.18

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Solution

The fourth proportional to 132,181.85, 182,405.58 and 71,750.18 is: 99,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.85 : 182,405.58 = 71,750.18 : x
  2. Step 2: Convert to fraction form
    132,181.85/182,405.58 = 71,750.18/x
  3. Step 3: Cross multiply
    132,181.85x = 182,405.58 × 71,750.18
  4. Step 4: Simplify right side
    132,181.85x = 13,087,633,198.00
  5. Step 5: Solve for x
    x = 13,087,633,198.00/132,181.85
  6. Step 6: Final answer
    x = 99,012.33

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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.