Home / 353,047.39-487,193.46-202,115.23

Finding the Fourth Proportional to 353,047.39, 487,193.46 and 202,115.23

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Solution

The fourth proportional to 353,047.39, 487,193.46 and 202,115.23 is: 278,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,047.39 : 487,193.46 = 202,115.23 : x
  2. Step 2: Convert to fraction form
    353,047.39/487,193.46 = 202,115.23/x
  3. Step 3: Cross multiply
    353,047.39x = 487,193.46 × 202,115.23
  4. Step 4: Simplify right side
    353,047.39x = 98,469,218,222.40
  5. Step 5: Solve for x
    x = 98,469,218,222.40/353,047.39
  6. Step 6: Final answer
    x = 278,912.18

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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.