Home / 98,982.52-148,208.10-83,236.12

Finding the Fourth Proportional to 98,982.52, 148,208.10 and 83,236.12

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Solution

The fourth proportional to 98,982.52, 148,208.10 and 83,236.12 is: 124,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.52 : 148,208.10 = 83,236.12 : x
  2. Step 2: Convert to fraction form
    98,982.52/148,208.10 = 83,236.12/x
  3. Step 3: Cross multiply
    98,982.52x = 148,208.10 × 83,236.12
  4. Step 4: Simplify right side
    98,982.52x = 12,336,267,196.57
  5. Step 5: Solve for x
    x = 12,336,267,196.57/98,982.52
  6. Step 6: Final answer
    x = 124,630.77

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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.