Home / 181,928.40-273,022.20-76,822.80

Finding the Fourth Proportional to 181,928.40, 273,022.20 and 76,822.80

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Solution

The fourth proportional to 181,928.40, 273,022.20 and 76,822.80 is: 115,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,928.40 : 273,022.20 = 76,822.80 : x
  2. Step 2: Convert to fraction form
    181,928.40/273,022.20 = 76,822.80/x
  3. Step 3: Cross multiply
    181,928.40x = 273,022.20 × 76,822.80
  4. Step 4: Simplify right side
    181,928.40x = 20,974,329,866.16
  5. Step 5: Solve for x
    x = 20,974,329,866.16/181,928.40
  6. Step 6: Final answer
    x = 115,288.93

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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.