Home / 181,331.49-272,051.56-73,205.18

Finding the Fourth Proportional to 181,331.49, 272,051.56 and 73,205.18

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Solution

The fourth proportional to 181,331.49, 272,051.56 and 73,205.18 is: 109,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,331.49 : 272,051.56 = 73,205.18 : x
  2. Step 2: Convert to fraction form
    181,331.49/272,051.56 = 73,205.18/x
  3. Step 3: Cross multiply
    181,331.49x = 272,051.56 × 73,205.18
  4. Step 4: Simplify right side
    181,331.49x = 19,915,584,700.81
  5. Step 5: Solve for x
    x = 19,915,584,700.81/181,331.49
  6. Step 6: Final answer
    x = 109,829.71

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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.