Home / 217,254.24-299,723.54-135,534.35

Finding the Fourth Proportional to 217,254.24, 299,723.54 and 135,534.35

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Solution

The fourth proportional to 217,254.24, 299,723.54 and 135,534.35 is: 186,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,254.24 : 299,723.54 = 135,534.35 : x
  2. Step 2: Convert to fraction form
    217,254.24/299,723.54 = 135,534.35/x
  3. Step 3: Cross multiply
    217,254.24x = 299,723.54 × 135,534.35
  4. Step 4: Simplify right side
    217,254.24x = 40,622,832,997.31
  5. Step 5: Solve for x
    x = 40,622,832,997.31/217,254.24
  6. Step 6: Final answer
    x = 186,982.92

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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.