Home / 217,575.46-326,289.28-75,387.56

Finding the Fourth Proportional to 217,575.46, 326,289.28 and 75,387.56

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Solution

The fourth proportional to 217,575.46, 326,289.28 and 75,387.56 is: 113,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,575.46 : 326,289.28 = 75,387.56 : x
  2. Step 2: Convert to fraction form
    217,575.46/326,289.28 = 75,387.56/x
  3. Step 3: Cross multiply
    217,575.46x = 326,289.28 × 75,387.56
  4. Step 4: Simplify right side
    217,575.46x = 24,598,152,673.36
  5. Step 5: Solve for x
    x = 24,598,152,673.36/217,575.46
  6. Step 6: Final answer
    x = 113,055.73

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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.