Home / 218,106.52-327,025.80-84,831.44

Finding the Fourth Proportional to 218,106.52, 327,025.80 and 84,831.44

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Solution

The fourth proportional to 218,106.52, 327,025.80 and 84,831.44 is: 127,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,106.52 : 327,025.80 = 84,831.44 : x
  2. Step 2: Convert to fraction form
    218,106.52/327,025.80 = 84,831.44/x
  3. Step 3: Cross multiply
    218,106.52x = 327,025.80 × 84,831.44
  4. Step 4: Simplify right side
    218,106.52x = 27,742,069,531.15
  5. Step 5: Solve for x
    x = 27,742,069,531.15/218,106.52
  6. Step 6: Final answer
    x = 127,195.05

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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.