Home / 120,831.30-181,297.98-60,828.48

Finding the Fourth Proportional to 120,831.30, 181,297.98 and 60,828.48

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Solution

The fourth proportional to 120,831.30, 181,297.98 and 60,828.48 is: 91,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,831.30 : 181,297.98 = 60,828.48 : x
  2. Step 2: Convert to fraction form
    120,831.30/181,297.98 = 60,828.48/x
  3. Step 3: Cross multiply
    120,831.30x = 181,297.98 × 60,828.48
  4. Step 4: Simplify right side
    120,831.30x = 11,028,080,550.47
  5. Step 5: Solve for x
    x = 11,028,080,550.47/120,831.30
  6. Step 6: Final answer
    x = 91,268.41

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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.