Home / 269,690.27-372,181.50-147,189.34

Finding the Fourth Proportional to 269,690.27, 372,181.50 and 147,189.34

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Solution

The fourth proportional to 269,690.27, 372,181.50 and 147,189.34 is: 203,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.27 : 372,181.50 = 147,189.34 : x
  2. Step 2: Convert to fraction form
    269,690.27/372,181.50 = 147,189.34/x
  3. Step 3: Cross multiply
    269,690.27x = 372,181.50 × 147,189.34
  4. Step 4: Simplify right side
    269,690.27x = 54,781,149,345.21
  5. Step 5: Solve for x
    x = 54,781,149,345.21/269,690.27
  6. Step 6: Final answer
    x = 203,126.16

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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.