Home / 353,336.60-487,605.96-192,192.64

Finding the Fourth Proportional to 353,336.60, 487,605.96 and 192,192.64

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Solution

The fourth proportional to 353,336.60, 487,605.96 and 192,192.64 is: 265,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,336.60 : 487,605.96 = 192,192.64 : x
  2. Step 2: Convert to fraction form
    353,336.60/487,605.96 = 192,192.64/x
  3. Step 3: Cross multiply
    353,336.60x = 487,605.96 × 192,192.64
  4. Step 4: Simplify right side
    353,336.60x = 93,714,275,513.12
  5. Step 5: Solve for x
    x = 93,714,275,513.12/353,336.60
  6. Step 6: Final answer
    x = 265,226.63

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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.