Home / 132,279.12-182,493.74-74,905.26

Finding the Fourth Proportional to 132,279.12, 182,493.74 and 74,905.26

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Solution

The fourth proportional to 132,279.12, 182,493.74 and 74,905.26 is: 103,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.12 : 182,493.74 = 74,905.26 : x
  2. Step 2: Convert to fraction form
    132,279.12/182,493.74 = 74,905.26/x
  3. Step 3: Cross multiply
    132,279.12x = 182,493.74 × 74,905.26
  4. Step 4: Simplify right side
    132,279.12x = 13,669,741,043.07
  5. Step 5: Solve for x
    x = 13,669,741,043.07/132,279.12
  6. Step 6: Final answer
    x = 103,340.13

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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.