Home / 181,591.56-272,614.14-122,688.36

Finding the Fourth Proportional to 181,591.56, 272,614.14 and 122,688.36

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Solution

The fourth proportional to 181,591.56, 272,614.14 and 122,688.36 is: 184,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,591.56 : 272,614.14 = 122,688.36 : x
  2. Step 2: Convert to fraction form
    181,591.56/272,614.14 = 122,688.36/x
  3. Step 3: Cross multiply
    181,591.56x = 272,614.14 × 122,688.36
  4. Step 4: Simplify right side
    181,591.56x = 33,446,581,749.41
  5. Step 5: Solve for x
    x = 33,446,581,749.41/181,591.56
  6. Step 6: Final answer
    x = 184,185.77

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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.