Home / 354,049.79-531,150.36-114,177.35

Finding the Fourth Proportional to 354,049.79, 531,150.36 and 114,177.35

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Solution

The fourth proportional to 354,049.79, 531,150.36 and 114,177.35 is: 171,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,049.79 : 531,150.36 = 114,177.35 : x
  2. Step 2: Convert to fraction form
    354,049.79/531,150.36 = 114,177.35/x
  3. Step 3: Cross multiply
    354,049.79x = 531,150.36 × 114,177.35
  4. Step 4: Simplify right side
    354,049.79x = 60,645,339,110.58
  5. Step 5: Solve for x
    x = 60,645,339,110.58/354,049.79
  6. Step 6: Final answer
    x = 171,290.43

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1.5x scale

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.