Home / 356,095.11-491,417.42-194,947.59

Finding the Fourth Proportional to 356,095.11, 491,417.42 and 194,947.59

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Solution

The fourth proportional to 356,095.11, 491,417.42 and 194,947.59 is: 269,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,095.11 : 491,417.42 = 194,947.59 : x
  2. Step 2: Convert to fraction form
    356,095.11/491,417.42 = 194,947.59/x
  3. Step 3: Cross multiply
    356,095.11x = 491,417.42 × 194,947.59
  4. Step 4: Simplify right side
    356,095.11x = 95,800,640,738.28
  5. Step 5: Solve for x
    x = 95,800,640,738.28/356,095.11
  6. Step 6: Final answer
    x = 269,031.05

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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.