Home / 217,376.03-326,560.98-154,351.55

Finding the Fourth Proportional to 217,376.03, 326,560.98 and 154,351.55

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Solution

The fourth proportional to 217,376.03, 326,560.98 and 154,351.55 is: 231,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,376.03 : 326,560.98 = 154,351.55 : x
  2. Step 2: Convert to fraction form
    217,376.03/326,560.98 = 154,351.55/x
  3. Step 3: Cross multiply
    217,376.03x = 326,560.98 × 154,351.55
  4. Step 4: Simplify right side
    217,376.03x = 50,405,193,432.52
  5. Step 5: Solve for x
    x = 50,405,193,432.52/217,376.03
  6. Step 6: Final answer
    x = 231,880.18

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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.