Home / 356,310.40-491,708.56-195,168.14

Finding the Fourth Proportional to 356,310.40, 491,708.56 and 195,168.14

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Solution

The fourth proportional to 356,310.40, 491,708.56 and 195,168.14 is: 269,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,310.40 : 491,708.56 = 195,168.14 : x
  2. Step 2: Convert to fraction form
    356,310.40/491,708.56 = 195,168.14/x
  3. Step 3: Cross multiply
    356,310.40x = 491,708.56 × 195,168.14
  4. Step 4: Simplify right side
    356,310.40x = 95,965,845,077.28
  5. Step 5: Solve for x
    x = 95,965,845,077.28/356,310.40
  6. Step 6: Final answer
    x = 269,332.15

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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.