Home / 148,021.80-222,065.10-73,177.80

Finding the Fourth Proportional to 148,021.80, 222,065.10 and 73,177.80

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Solution

The fourth proportional to 148,021.80, 222,065.10 and 73,177.80 is: 109,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021.80 : 222,065.10 = 73,177.80 : x
  2. Step 2: Convert to fraction form
    148,021.80/222,065.10 = 73,177.80/x
  3. Step 3: Cross multiply
    148,021.80x = 222,065.10 × 73,177.80
  4. Step 4: Simplify right side
    148,021.80x = 16,250,235,474.78
  5. Step 5: Solve for x
    x = 16,250,235,474.78/148,021.80
  6. Step 6: Final answer
    x = 109,782.72

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1.5x scale

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.