Home / 130,057.86-195,072.60-88,206.78

Finding the Fourth Proportional to 130,057.86, 195,072.60 and 88,206.78

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Solution

The fourth proportional to 130,057.86, 195,072.60 and 88,206.78 is: 132,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,057.86 : 195,072.60 = 88,206.78 : x
  2. Step 2: Convert to fraction form
    130,057.86/195,072.60 = 88,206.78/x
  3. Step 3: Cross multiply
    130,057.86x = 195,072.60 × 88,206.78
  4. Step 4: Simplify right side
    130,057.86x = 17,206,725,912.23
  5. Step 5: Solve for x
    x = 17,206,725,912.23/130,057.86
  6. Step 6: Final answer
    x = 132,300.55

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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.