Home / 132,155.15-198,253.37-43,388.46

Finding the Fourth Proportional to 132,155.15, 198,253.37 and 43,388.46

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Solution

The fourth proportional to 132,155.15, 198,253.37 and 43,388.46 is: 65,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.15 : 198,253.37 = 43,388.46 : x
  2. Step 2: Convert to fraction form
    132,155.15/198,253.37 = 43,388.46/x
  3. Step 3: Cross multiply
    132,155.15x = 198,253.37 × 43,388.46
  4. Step 4: Simplify right side
    132,155.15x = 8,601,908,522.58
  5. Step 5: Solve for x
    x = 8,601,908,522.58/132,155.15
  6. Step 6: Final answer
    x = 65,089.47

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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.