Home / 181,812.06-272,831.67-69,501.78

Finding the Fourth Proportional to 181,812.06, 272,831.67 and 69,501.78

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Solution

The fourth proportional to 181,812.06, 272,831.67 and 69,501.78 is: 104,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,812.06 : 272,831.67 = 69,501.78 : x
  2. Step 2: Convert to fraction form
    181,812.06/272,831.67 = 69,501.78/x
  3. Step 3: Cross multiply
    181,812.06x = 272,831.67 × 69,501.78
  4. Step 4: Simplify right side
    181,812.06x = 18,962,286,705.37
  5. Step 5: Solve for x
    x = 18,962,286,705.37/181,812.06
  6. Step 6: Final answer
    x = 104,296.09

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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.