Home / 230,513.27-318,139.51-135,058.01

Finding the Fourth Proportional to 230,513.27, 318,139.51 and 135,058.01

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Solution

The fourth proportional to 230,513.27, 318,139.51 and 135,058.01 is: 186,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,513.27 : 318,139.51 = 135,058.01 : x
  2. Step 2: Convert to fraction form
    230,513.27/318,139.51 = 135,058.01/x
  3. Step 3: Cross multiply
    230,513.27x = 318,139.51 × 135,058.01
  4. Step 4: Simplify right side
    230,513.27x = 42,967,288,532.56
  5. Step 5: Solve for x
    x = 42,967,288,532.56/230,513.27
  6. Step 6: Final answer
    x = 186,398.33

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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.