Home / 217,350.34-299,972.37-126,708.10

Finding the Fourth Proportional to 217,350.34, 299,972.37 and 126,708.10

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Solution

The fourth proportional to 217,350.34, 299,972.37 and 126,708.10 is: 174,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,350.34 : 299,972.37 = 126,708.10 : x
  2. Step 2: Convert to fraction form
    217,350.34/299,972.37 = 126,708.10/x
  3. Step 3: Cross multiply
    217,350.34x = 299,972.37 × 126,708.10
  4. Step 4: Simplify right side
    217,350.34x = 38,008,929,055.20
  5. Step 5: Solve for x
    x = 38,008,929,055.20/217,350.34
  6. Step 6: Final answer
    x = 174,874.03

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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.