Home / 230,581.52-318,273.56-135,119.24

Finding the Fourth Proportional to 230,581.52, 318,273.56 and 135,119.24

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Solution

The fourth proportional to 230,581.52, 318,273.56 and 135,119.24 is: 186,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,581.52 : 318,273.56 = 135,119.24 : x
  2. Step 2: Convert to fraction form
    230,581.52/318,273.56 = 135,119.24/x
  3. Step 3: Cross multiply
    230,581.52x = 318,273.56 × 135,119.24
  4. Step 4: Simplify right side
    230,581.52x = 43,004,881,539.29
  5. Step 5: Solve for x
    x = 43,004,881,539.29/230,581.52
  6. Step 6: Final answer
    x = 186,506.19

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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.