Home / 132,982.17-183,546.18-87,668.16

Finding the Fourth Proportional to 132,982.17, 183,546.18 and 87,668.16

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Solution

The fourth proportional to 132,982.17, 183,546.18 and 87,668.16 is: 121,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982.17 : 183,546.18 = 87,668.16 : x
  2. Step 2: Convert to fraction form
    132,982.17/183,546.18 = 87,668.16/x
  3. Step 3: Cross multiply
    132,982.17x = 183,546.18 × 87,668.16
  4. Step 4: Simplify right side
    132,982.17x = 16,091,155,875.63
  5. Step 5: Solve for x
    x = 16,091,155,875.63/132,982.17
  6. Step 6: Final answer
    x = 121,002.36

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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.