Home / 132,424.49-182,749.38-71,999.19

Finding the Fourth Proportional to 132,424.49, 182,749.38 and 71,999.19

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Solution

The fourth proportional to 132,424.49, 182,749.38 and 71,999.19 is: 99,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,424.49 : 182,749.38 = 71,999.19 : x
  2. Step 2: Convert to fraction form
    132,424.49/182,749.38 = 71,999.19/x
  3. Step 3: Cross multiply
    132,424.49x = 182,749.38 × 71,999.19
  4. Step 4: Simplify right side
    132,424.49x = 13,157,807,333.00
  5. Step 5: Solve for x
    x = 13,157,807,333.00/132,424.49
  6. Step 6: Final answer
    x = 99,360.83

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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.