Home / 207,676.86-286,614.09-132,220.50

Finding the Fourth Proportional to 207,676.86, 286,614.09 and 132,220.50

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Solution

The fourth proportional to 207,676.86, 286,614.09 and 132,220.50 is: 182,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,676.86 : 286,614.09 = 132,220.50 : x
  2. Step 2: Convert to fraction form
    207,676.86/286,614.09 = 132,220.50/x
  3. Step 3: Cross multiply
    207,676.86x = 286,614.09 × 132,220.50
  4. Step 4: Simplify right side
    207,676.86x = 37,896,258,286.85
  5. Step 5: Solve for x
    x = 37,896,258,286.85/207,676.86
  6. Step 6: Final answer
    x = 182,477.04

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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.