Home / 132,725.44-198,989.34-57,831.40

Finding the Fourth Proportional to 132,725.44, 198,989.34 and 57,831.40

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Solution

The fourth proportional to 132,725.44, 198,989.34 and 57,831.40 is: 86,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,725.44 : 198,989.34 = 57,831.40 : x
  2. Step 2: Convert to fraction form
    132,725.44/198,989.34 = 57,831.40/x
  3. Step 3: Cross multiply
    132,725.44x = 198,989.34 × 57,831.40
  4. Step 4: Simplify right side
    132,725.44x = 11,507,832,117.28
  5. Step 5: Solve for x
    x = 11,507,832,117.28/132,725.44
  6. Step 6: Final answer
    x = 86,704.04

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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.