Home / 353,717.64-488,140.55-192,575.43

Finding the Fourth Proportional to 353,717.64, 488,140.55 and 192,575.43

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Solution

The fourth proportional to 353,717.64, 488,140.55 and 192,575.43 is: 265,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,717.64 : 488,140.55 = 192,575.43 : x
  2. Step 2: Convert to fraction form
    353,717.64/488,140.55 = 192,575.43/x
  3. Step 3: Cross multiply
    353,717.64x = 488,140.55 × 192,575.43
  4. Step 4: Simplify right side
    353,717.64x = 94,003,875,353.81
  5. Step 5: Solve for x
    x = 94,003,875,353.81/353,717.64
  6. Step 6: Final answer
    x = 265,759.65

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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.