Home / 181,904.40-272,986.20-76,798.80

Finding the Fourth Proportional to 181,904.40, 272,986.20 and 76,798.80

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Solution

The fourth proportional to 181,904.40, 272,986.20 and 76,798.80 is: 115,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,904.40 : 272,986.20 = 76,798.80 : x
  2. Step 2: Convert to fraction form
    181,904.40/272,986.20 = 76,798.80/x
  3. Step 3: Cross multiply
    181,904.40x = 272,986.20 × 76,798.80
  4. Step 4: Simplify right side
    181,904.40x = 20,965,012,576.56
  5. Step 5: Solve for x
    x = 20,965,012,576.56/181,904.40
  6. Step 6: Final answer
    x = 115,252.92

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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.