Home / 132,153.36-182,371.72-71,723.98

Finding the Fourth Proportional to 132,153.36, 182,371.72 and 71,723.98

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Solution

The fourth proportional to 132,153.36, 182,371.72 and 71,723.98 is: 98,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,153.36 : 182,371.72 = 71,723.98 : x
  2. Step 2: Convert to fraction form
    132,153.36/182,371.72 = 71,723.98/x
  3. Step 3: Cross multiply
    132,153.36x = 182,371.72 × 71,723.98
  4. Step 4: Simplify right side
    132,153.36x = 13,080,425,597.85
  5. Step 5: Solve for x
    x = 13,080,425,597.85/132,153.36
  6. Step 6: Final answer
    x = 98,979.14

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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.