Home / 181,936.80-272,905.20-132,364.80

Finding the Fourth Proportional to 181,936.80, 272,905.20 and 132,364.80

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Solution

The fourth proportional to 181,936.80, 272,905.20 and 132,364.80 is: 198,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,936.80 : 272,905.20 = 132,364.80 : x
  2. Step 2: Convert to fraction form
    181,936.80/272,905.20 = 132,364.80/x
  3. Step 3: Cross multiply
    181,936.80x = 272,905.20 × 132,364.80
  4. Step 4: Simplify right side
    181,936.80x = 36,123,042,216.96
  5. Step 5: Solve for x
    x = 36,123,042,216.96/181,936.80
  6. Step 6: Final answer
    x = 198,547.20

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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.