Home / 353,895.08-488,372.69-192,749.63

Finding the Fourth Proportional to 353,895.08, 488,372.69 and 192,749.63

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Solution

The fourth proportional to 353,895.08, 488,372.69 and 192,749.63 is: 265,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,895.08 : 488,372.69 = 192,749.63 : x
  2. Step 2: Convert to fraction form
    353,895.08/488,372.69 = 192,749.63/x
  3. Step 3: Cross multiply
    353,895.08x = 488,372.69 × 192,749.63
  4. Step 4: Simplify right side
    353,895.08x = 94,133,654,335.86
  5. Step 5: Solve for x
    x = 94,133,654,335.86/353,895.08
  6. Step 6: Final answer
    x = 265,993.11

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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.