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Finding the Fourth Proportional to 193,990.80, 291,204.90 and 149,813.40

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Solution

The fourth proportional to 193,990.80, 291,204.90 and 149,813.40 is: 224,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,990.80 : 291,204.90 = 149,813.40 : x
  2. Step 2: Convert to fraction form
    193,990.80/291,204.90 = 149,813.40/x
  3. Step 3: Cross multiply
    193,990.80x = 291,204.90 × 149,813.40
  4. Step 4: Simplify right side
    193,990.80x = 43,626,396,165.66
  5. Step 5: Solve for x
    x = 43,626,396,165.66/193,990.80
  6. Step 6: Final answer
    x = 224,889.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.