Home / 112,363.20-168,458.40-63,115.20

Finding the Fourth Proportional to 112,363.20, 168,458.40 and 63,115.20

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Solution

The fourth proportional to 112,363.20, 168,458.40 and 63,115.20 is: 94,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363.20 : 168,458.40 = 63,115.20 : x
  2. Step 2: Convert to fraction form
    112,363.20/168,458.40 = 63,115.20/x
  3. Step 3: Cross multiply
    112,363.20x = 168,458.40 × 63,115.20
  4. Step 4: Simplify right side
    112,363.20x = 10,632,285,607.68
  5. Step 5: Solve for x
    x = 10,632,285,607.68/112,363.20
  6. Step 6: Final answer
    x = 94,624.27

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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.