Home / 353,465.22-487,767.36-192,320.88

Finding the Fourth Proportional to 353,465.22, 487,767.36 and 192,320.88

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Solution

The fourth proportional to 353,465.22, 487,767.36 and 192,320.88 is: 265,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,465.22 : 487,767.36 = 192,320.88 : x
  2. Step 2: Convert to fraction form
    353,465.22/487,767.36 = 192,320.88/x
  3. Step 3: Cross multiply
    353,465.22x = 487,767.36 × 192,320.88
  4. Step 4: Simplify right side
    353,465.22x = 93,807,847,910.48
  5. Step 5: Solve for x
    x = 93,807,847,910.48/353,465.22
  6. Step 6: Final answer
    x = 265,394.85

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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.