Home / 349,876.64-482,874-196,922.72

Finding the Fourth Proportional to 349,876.64, 482,874 and 196,922.72

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Solution

The fourth proportional to 349,876.64, 482,874 and 196,922.72 is: 271,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,876.64 : 482,874 = 196,922.72 : x
  2. Step 2: Convert to fraction form
    349,876.64/482,874 = 196,922.72/x
  3. Step 3: Cross multiply
    349,876.64x = 482,874 × 196,922.72
  4. Step 4: Simplify right side
    349,876.64x = 95,088,861,497.28
  5. Step 5: Solve for x
    x = 95,088,861,497.28/349,876.64
  6. Step 6: Final answer
    x = 271,778.25

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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.