Home / 353,998.52-488,516.03-192,853.18

Finding the Fourth Proportional to 353,998.52, 488,516.03 and 192,853.18

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Solution

The fourth proportional to 353,998.52, 488,516.03 and 192,853.18 is: 266,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,998.52 : 488,516.03 = 192,853.18 : x
  2. Step 2: Convert to fraction form
    353,998.52/488,516.03 = 192,853.18/x
  3. Step 3: Cross multiply
    353,998.52x = 488,516.03 × 192,853.18
  4. Step 4: Simplify right side
    353,998.52x = 94,211,868,902.21
  5. Step 5: Solve for x
    x = 94,211,868,902.21/353,998.52
  6. Step 6: Final answer
    x = 266,136.34

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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.