Home / 132,579.75-198,790.31-89,937.59

Finding the Fourth Proportional to 132,579.75, 198,790.31 and 89,937.59

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Solution

The fourth proportional to 132,579.75, 198,790.31 and 89,937.59 is: 134,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,579.75 : 198,790.31 = 89,937.59 : x
  2. Step 2: Convert to fraction form
    132,579.75/198,790.31 = 89,937.59/x
  3. Step 3: Cross multiply
    132,579.75x = 198,790.31 × 89,937.59
  4. Step 4: Simplify right side
    132,579.75x = 17,878,720,627.65
  5. Step 5: Solve for x
    x = 17,878,720,627.65/132,579.75
  6. Step 6: Final answer
    x = 134,852.57

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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.