Home / 132,564.36-182,869.08-78,811.14

Finding the Fourth Proportional to 132,564.36, 182,869.08 and 78,811.14

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Solution

The fourth proportional to 132,564.36, 182,869.08 and 78,811.14 is: 108,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.36 : 182,869.08 = 78,811.14 : x
  2. Step 2: Convert to fraction form
    132,564.36/182,869.08 = 78,811.14/x
  3. Step 3: Cross multiply
    132,564.36x = 182,869.08 × 78,811.14
  4. Step 4: Simplify right side
    132,564.36x = 14,412,120,665.55
  5. Step 5: Solve for x
    x = 14,412,120,665.55/132,564.36
  6. Step 6: Final answer
    x = 108,717.91

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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.