Home / 190,356.05-262,593.09-129,081.52

Finding the Fourth Proportional to 190,356.05, 262,593.09 and 129,081.52

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Solution

The fourth proportional to 190,356.05, 262,593.09 and 129,081.52 is: 178,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356.05 : 262,593.09 = 129,081.52 : x
  2. Step 2: Convert to fraction form
    190,356.05/262,593.09 = 129,081.52/x
  3. Step 3: Cross multiply
    190,356.05x = 262,593.09 × 129,081.52
  4. Step 4: Simplify right side
    190,356.05x = 33,895,914,553.29
  5. Step 5: Solve for x
    x = 33,895,914,553.29/190,356.05
  6. Step 6: Final answer
    x = 178,065.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.