Home / 353,776.60-488,205.38-192,628.72

Finding the Fourth Proportional to 353,776.60, 488,205.38 and 192,628.72

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Solution

The fourth proportional to 353,776.60, 488,205.38 and 192,628.72 is: 265,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,776.60 : 488,205.38 = 192,628.72 : x
  2. Step 2: Convert to fraction form
    353,776.60/488,205.38 = 192,628.72/x
  3. Step 3: Cross multiply
    353,776.60x = 488,205.38 × 192,628.72
  4. Step 4: Simplify right side
    353,776.60x = 94,042,377,446.51
  5. Step 5: Solve for x
    x = 94,042,377,446.51/353,776.60
  6. Step 6: Final answer
    x = 265,824.19

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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.