Home / 181,966.40-272,884.80-82,174.40

Finding the Fourth Proportional to 181,966.40, 272,884.80 and 82,174.40

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Solution

The fourth proportional to 181,966.40, 272,884.80 and 82,174.40 is: 123,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.40 : 272,884.80 = 82,174.40 : x
  2. Step 2: Convert to fraction form
    181,966.40/272,884.80 = 82,174.40/x
  3. Step 3: Cross multiply
    181,966.40x = 272,884.80 × 82,174.40
  4. Step 4: Simplify right side
    181,966.40x = 22,424,144,709.12
  5. Step 5: Solve for x
    x = 22,424,144,709.12/181,966.40
  6. Step 6: Final answer
    x = 123,232.34

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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.