Home / 190,057.38-284,858.56-88,719.09

Finding the Fourth Proportional to 190,057.38, 284,858.56 and 88,719.09

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Solution

The fourth proportional to 190,057.38, 284,858.56 and 88,719.09 is: 132,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,057.38 : 284,858.56 = 88,719.09 : x
  2. Step 2: Convert to fraction form
    190,057.38/284,858.56 = 88,719.09/x
  3. Step 3: Cross multiply
    190,057.38x = 284,858.56 × 88,719.09
  4. Step 4: Simplify right side
    190,057.38x = 25,272,390,354.02
  5. Step 5: Solve for x
    x = 25,272,390,354.02/190,057.38
  6. Step 6: Final answer
    x = 132,972.43

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1.5x scale

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.