Home / 353,761.28-488,185.70-192,616.32

Finding the Fourth Proportional to 353,761.28, 488,185.70 and 192,616.32

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Solution

The fourth proportional to 353,761.28, 488,185.70 and 192,616.32 is: 265,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,761.28 : 488,185.70 = 192,616.32 : x
  2. Step 2: Convert to fraction form
    353,761.28/488,185.70 = 192,616.32/x
  3. Step 3: Cross multiply
    353,761.28x = 488,185.70 × 192,616.32
  4. Step 4: Simplify right side
    353,761.28x = 94,032,532,047.54
  5. Step 5: Solve for x
    x = 94,032,532,047.54/353,761.28
  6. Step 6: Final answer
    x = 265,807.87

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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.