Home / 353,924.24-488,422.91-192,778.89

Finding the Fourth Proportional to 353,924.24, 488,422.91 and 192,778.89

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Solution

The fourth proportional to 353,924.24, 488,422.91 and 192,778.89 is: 266,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,924.24 : 488,422.91 = 192,778.89 : x
  2. Step 2: Convert to fraction form
    353,924.24/488,422.91 = 192,778.89/x
  3. Step 3: Cross multiply
    353,924.24x = 488,422.91 × 192,778.89
  4. Step 4: Simplify right side
    353,924.24x = 94,157,625,090.73
  5. Step 5: Solve for x
    x = 94,157,625,090.73/353,924.24
  6. Step 6: Final answer
    x = 266,038.93

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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.