Home / 353,981.33-488,493.56-192,836.33

Finding the Fourth Proportional to 353,981.33, 488,493.56 and 192,836.33

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Solution

The fourth proportional to 353,981.33, 488,493.56 and 192,836.33 is: 266,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,981.33 : 488,493.56 = 192,836.33 : x
  2. Step 2: Convert to fraction form
    353,981.33/488,493.56 = 192,836.33/x
  3. Step 3: Cross multiply
    353,981.33x = 488,493.56 × 192,836.33
  4. Step 4: Simplify right side
    353,981.33x = 94,199,306,728.99
  5. Step 5: Solve for x
    x = 94,199,306,728.99/353,981.33
  6. Step 6: Final answer
    x = 266,113.77

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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.