Home / 88,230.20-132,345.30-82,398.20

Finding the Fourth Proportional to 88,230.20, 132,345.30 and 82,398.20

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Solution

The fourth proportional to 88,230.20, 132,345.30 and 82,398.20 is: 123,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230.20 : 132,345.30 = 82,398.20 : x
  2. Step 2: Convert to fraction form
    88,230.20/132,345.30 = 82,398.20/x
  3. Step 3: Cross multiply
    88,230.20x = 132,345.30 × 82,398.20
  4. Step 4: Simplify right side
    88,230.20x = 10,905,014,498.46
  5. Step 5: Solve for x
    x = 10,905,014,498.46/88,230.20
  6. Step 6: Final answer
    x = 123,597.30

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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.