Home / 132,424.38-182,749.26-71,999.09

Finding the Fourth Proportional to 132,424.38, 182,749.26 and 71,999.09

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Solution

The fourth proportional to 132,424.38, 182,749.26 and 71,999.09 is: 99,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,424.38 : 182,749.26 = 71,999.09 : x
  2. Step 2: Convert to fraction form
    132,424.38/182,749.26 = 71,999.09/x
  3. Step 3: Cross multiply
    132,424.38x = 182,749.26 × 71,999.09
  4. Step 4: Simplify right side
    132,424.38x = 13,157,779,504.43
  5. Step 5: Solve for x
    x = 13,157,779,504.43/132,424.38
  6. Step 6: Final answer
    x = 99,360.70

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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.