Home / 126,982.40-190,475.22-87,528.92

Finding the Fourth Proportional to 126,982.40, 190,475.22 and 87,528.92

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Solution

The fourth proportional to 126,982.40, 190,475.22 and 87,528.92 is: 131,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982.40 : 190,475.22 = 87,528.92 : x
  2. Step 2: Convert to fraction form
    126,982.40/190,475.22 = 87,528.92/x
  3. Step 3: Cross multiply
    126,982.40x = 190,475.22 × 87,528.92
  4. Step 4: Simplify right side
    126,982.40x = 16,672,090,293.36
  5. Step 5: Solve for x
    x = 16,672,090,293.36/126,982.40
  6. Step 6: Final answer
    x = 131,294.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.