Home / 181,470.06-272,027.70-81,655.38

Finding the Fourth Proportional to 181,470.06, 272,027.70 and 81,655.38

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Solution

The fourth proportional to 181,470.06, 272,027.70 and 81,655.38 is: 122,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.06 : 272,027.70 = 81,655.38 : x
  2. Step 2: Convert to fraction form
    181,470.06/272,027.70 = 81,655.38/x
  3. Step 3: Cross multiply
    181,470.06x = 272,027.70 × 81,655.38
  4. Step 4: Simplify right side
    181,470.06x = 22,212,525,214.03
  5. Step 5: Solve for x
    x = 22,212,525,214.03/181,470.06
  6. Step 6: Final answer
    x = 122,403.25

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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.