Home / 132,982.92-183,547.22-87,668.91

Finding the Fourth Proportional to 132,982.92, 183,547.22 and 87,668.91

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Solution

The fourth proportional to 132,982.92, 183,547.22 and 87,668.91 is: 121,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982.92 : 183,547.22 = 87,668.91 : x
  2. Step 2: Convert to fraction form
    132,982.92/183,547.22 = 87,668.91/x
  3. Step 3: Cross multiply
    132,982.92x = 183,547.22 × 87,668.91
  4. Step 4: Simplify right side
    132,982.92x = 16,091,384,272.59
  5. Step 5: Solve for x
    x = 16,091,384,272.59/132,982.92
  6. Step 6: Final answer
    x = 121,003.39

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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.