Home / 354,066.39-531,152.37-126,344.27

Finding the Fourth Proportional to 354,066.39, 531,152.37 and 126,344.27

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Solution

The fourth proportional to 354,066.39, 531,152.37 and 126,344.27 is: 189,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,066.39 : 531,152.37 = 126,344.27 : x
  2. Step 2: Convert to fraction form
    354,066.39/531,152.37 = 126,344.27/x
  3. Step 3: Cross multiply
    354,066.39x = 531,152.37 × 126,344.27
  4. Step 4: Simplify right side
    354,066.39x = 67,108,058,446.42
  5. Step 5: Solve for x
    x = 67,108,058,446.42/354,066.39
  6. Step 6: Final answer
    x = 189,535.24

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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.