Home / 353,601.20-487,980.12-192,466.72

Finding the Fourth Proportional to 353,601.20, 487,980.12 and 192,466.72

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Solution

The fourth proportional to 353,601.20, 487,980.12 and 192,466.72 is: 265,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,601.20 : 487,980.12 = 192,466.72 : x
  2. Step 2: Convert to fraction form
    353,601.20/487,980.12 = 192,466.72/x
  3. Step 3: Cross multiply
    353,601.20x = 487,980.12 × 192,466.72
  4. Step 4: Simplify right side
    353,601.20x = 93,919,933,121.61
  5. Step 5: Solve for x
    x = 93,919,933,121.61/353,601.20
  6. Step 6: Final answer
    x = 265,609.77

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1.5x scale

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.