Home / 181,694.90-272,587.78-178,681.22

Finding the Fourth Proportional to 181,694.90, 272,587.78 and 178,681.22

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Solution

The fourth proportional to 181,694.90, 272,587.78 and 178,681.22 is: 268,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,694.90 : 272,587.78 = 178,681.22 : x
  2. Step 2: Convert to fraction form
    181,694.90/272,587.78 = 178,681.22/x
  3. Step 3: Cross multiply
    181,694.90x = 272,587.78 × 178,681.22
  4. Step 4: Simplify right side
    181,694.90x = 48,706,317,087.49
  5. Step 5: Solve for x
    x = 48,706,317,087.49/181,694.90
  6. Step 6: Final answer
    x = 268,066.51

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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.