Home / 148,303.82-204,658.25-80,319.23

Finding the Fourth Proportional to 148,303.82, 204,658.25 and 80,319.23

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Solution

The fourth proportional to 148,303.82, 204,658.25 and 80,319.23 is: 110,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.82 : 204,658.25 = 80,319.23 : x
  2. Step 2: Convert to fraction form
    148,303.82/204,658.25 = 80,319.23/x
  3. Step 3: Cross multiply
    148,303.82x = 204,658.25 × 80,319.23
  4. Step 4: Simplify right side
    148,303.82x = 16,437,993,546.93
  5. Step 5: Solve for x
    x = 16,437,993,546.93/148,303.82
  6. Step 6: Final answer
    x = 110,839.99

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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.