Home / 353,972.70-488,479.92-192,827.85

Finding the Fourth Proportional to 353,972.70, 488,479.92 and 192,827.85

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Solution

The fourth proportional to 353,972.70, 488,479.92 and 192,827.85 is: 266,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,972.70 : 488,479.92 = 192,827.85 : x
  2. Step 2: Convert to fraction form
    353,972.70/488,479.92 = 192,827.85/x
  3. Step 3: Cross multiply
    353,972.70x = 488,479.92 × 192,827.85
  4. Step 4: Simplify right side
    353,972.70x = 94,192,532,741.77
  5. Step 5: Solve for x
    x = 94,192,532,741.77/353,972.70
  6. Step 6: Final answer
    x = 266,101.12

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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.