Home / 341,400.79-471,062.75-196,178.51

Finding the Fourth Proportional to 341,400.79, 471,062.75 and 196,178.51

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Solution

The fourth proportional to 341,400.79, 471,062.75 and 196,178.51 is: 270,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,400.79 : 471,062.75 = 196,178.51 : x
  2. Step 2: Convert to fraction form
    341,400.79/471,062.75 = 196,178.51/x
  3. Step 3: Cross multiply
    341,400.79x = 471,062.75 × 196,178.51
  4. Step 4: Simplify right side
    341,400.79x = 92,412,387,337.92
  5. Step 5: Solve for x
    x = 92,412,387,337.92/341,400.79
  6. Step 6: Final answer
    x = 270,685.92

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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.