Home / 163,920.92-245,796.78-75,098.30

Finding the Fourth Proportional to 163,920.92, 245,796.78 and 75,098.30

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Solution

The fourth proportional to 163,920.92, 245,796.78 and 75,098.30 is: 112,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,920.92 : 245,796.78 = 75,098.30 : x
  2. Step 2: Convert to fraction form
    163,920.92/245,796.78 = 75,098.30/x
  3. Step 3: Cross multiply
    163,920.92x = 245,796.78 × 75,098.30
  4. Step 4: Simplify right side
    163,920.92x = 18,458,919,094.49
  5. Step 5: Solve for x
    x = 18,458,919,094.49/163,920.92
  6. Step 6: Final answer
    x = 112,608.69

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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.