Home / 132,247.12-182,500.44-71,817.28

Finding the Fourth Proportional to 132,247.12, 182,500.44 and 71,817.28

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Solution

The fourth proportional to 132,247.12, 182,500.44 and 71,817.28 is: 99,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,247.12 : 182,500.44 = 71,817.28 : x
  2. Step 2: Convert to fraction form
    132,247.12/182,500.44 = 71,817.28/x
  3. Step 3: Cross multiply
    132,247.12x = 182,500.44 × 71,817.28
  4. Step 4: Simplify right side
    132,247.12x = 13,106,685,199.60
  5. Step 5: Solve for x
    x = 13,106,685,199.60/132,247.12
  6. Step 6: Final answer
    x = 99,107.53

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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.