Home / 148,330.67-204,695.10-80,346.06

Finding the Fourth Proportional to 148,330.67, 204,695.10 and 80,346.06

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Solution

The fourth proportional to 148,330.67, 204,695.10 and 80,346.06 is: 110,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,330.67 : 204,695.10 = 80,346.06 : x
  2. Step 2: Convert to fraction form
    148,330.67/204,695.10 = 80,346.06/x
  3. Step 3: Cross multiply
    148,330.67x = 204,695.10 × 80,346.06
  4. Step 4: Simplify right side
    148,330.67x = 16,446,444,786.31
  5. Step 5: Solve for x
    x = 16,446,444,786.31/148,330.67
  6. Step 6: Final answer
    x = 110,876.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.