Home / 132,276.83-182,548.35-81,291.65

Finding the Fourth Proportional to 132,276.83, 182,548.35 and 81,291.65

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Solution

The fourth proportional to 132,276.83, 182,548.35 and 81,291.65 is: 112,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,276.83 : 182,548.35 = 81,291.65 : x
  2. Step 2: Convert to fraction form
    132,276.83/182,548.35 = 81,291.65/x
  3. Step 3: Cross multiply
    132,276.83x = 182,548.35 × 81,291.65
  4. Step 4: Simplify right side
    132,276.83x = 14,839,655,663.54
  5. Step 5: Solve for x
    x = 14,839,655,663.54/132,276.83
  6. Step 6: Final answer
    x = 112,186.36

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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.