Home / 130,451.33-195,750.81-55,563.66

Finding the Fourth Proportional to 130,451.33, 195,750.81 and 55,563.66

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Solution

The fourth proportional to 130,451.33, 195,750.81 and 55,563.66 is: 83,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,451.33 : 195,750.81 = 55,563.66 : x
  2. Step 2: Convert to fraction form
    130,451.33/195,750.81 = 55,563.66/x
  3. Step 3: Cross multiply
    130,451.33x = 195,750.81 × 55,563.66
  4. Step 4: Simplify right side
    130,451.33x = 10,876,631,451.56
  5. Step 5: Solve for x
    x = 10,876,631,451.56/130,451.33
  6. Step 6: Final answer
    x = 83,376.93

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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.