Home / 357,867.62-493,844.78-196,721.51

Finding the Fourth Proportional to 357,867.62, 493,844.78 and 196,721.51

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Solution

The fourth proportional to 357,867.62, 493,844.78 and 196,721.51 is: 271,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,867.62 : 493,844.78 = 196,721.51 : x
  2. Step 2: Convert to fraction form
    357,867.62/493,844.78 = 196,721.51/x
  3. Step 3: Cross multiply
    357,867.62x = 493,844.78 × 196,721.51
  4. Step 4: Simplify right side
    357,867.62x = 97,149,887,374.39
  5. Step 5: Solve for x
    x = 97,149,887,374.39/357,867.62
  6. Step 6: Final answer
    x = 271,468.79

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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.