Home / 132,301.10-182,570.28-78,584.69

Finding the Fourth Proportional to 132,301.10, 182,570.28 and 78,584.69

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Solution

The fourth proportional to 132,301.10, 182,570.28 and 78,584.69 is: 108,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,301.10 : 182,570.28 = 78,584.69 : x
  2. Step 2: Convert to fraction form
    132,301.10/182,570.28 = 78,584.69/x
  3. Step 3: Cross multiply
    132,301.10x = 182,570.28 × 78,584.69
  4. Step 4: Simplify right side
    132,301.10x = 14,347,228,857.01
  5. Step 5: Solve for x
    x = 14,347,228,857.01/132,301.10
  6. Step 6: Final answer
    x = 108,443.76

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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.