Home / 148,321.67-204,682.68-80,337.06

Finding the Fourth Proportional to 148,321.67, 204,682.68 and 80,337.06

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Solution

The fourth proportional to 148,321.67, 204,682.68 and 80,337.06 is: 110,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,321.67 : 204,682.68 = 80,337.06 : x
  2. Step 2: Convert to fraction form
    148,321.67/204,682.68 = 80,337.06/x
  3. Step 3: Cross multiply
    148,321.67x = 204,682.68 × 80,337.06
  4. Step 4: Simplify right side
    148,321.67x = 16,443,604,744.12
  5. Step 5: Solve for x
    x = 16,443,604,744.12/148,321.67
  6. Step 6: Final answer
    x = 110,864.48

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1.5x scale

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.