Home / 360,116.76-496,947.78-198,968.34

Finding the Fourth Proportional to 360,116.76, 496,947.78 and 198,968.34

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Solution

The fourth proportional to 360,116.76, 496,947.78 and 198,968.34 is: 274,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,116.76 : 496,947.78 = 198,968.34 : x
  2. Step 2: Convert to fraction form
    360,116.76/496,947.78 = 198,968.34/x
  3. Step 3: Cross multiply
    360,116.76x = 496,947.78 × 198,968.34
  4. Step 4: Simplify right side
    360,116.76x = 98,876,874,853.29
  5. Step 5: Solve for x
    x = 98,876,874,853.29/360,116.76
  6. Step 6: Final answer
    x = 274,568.93

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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.