Home / 88,564.20-132,846.30-76,900.20

Finding the Fourth Proportional to 88,564.20, 132,846.30 and 76,900.20

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Solution

The fourth proportional to 88,564.20, 132,846.30 and 76,900.20 is: 115,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564.20 : 132,846.30 = 76,900.20 : x
  2. Step 2: Convert to fraction form
    88,564.20/132,846.30 = 76,900.20/x
  3. Step 3: Cross multiply
    88,564.20x = 132,846.30 × 76,900.20
  4. Step 4: Simplify right side
    88,564.20x = 10,215,907,039.26
  5. Step 5: Solve for x
    x = 10,215,907,039.26/88,564.20
  6. Step 6: Final answer
    x = 115,350.30

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1.5x scale

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.