Home / 266,747.72-368,098.28-145,865.56

Finding the Fourth Proportional to 266,747.72, 368,098.28 and 145,865.56

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Solution

The fourth proportional to 266,747.72, 368,098.28 and 145,865.56 is: 201,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,747.72 : 368,098.28 = 145,865.56 : x
  2. Step 2: Convert to fraction form
    266,747.72/368,098.28 = 145,865.56/x
  3. Step 3: Cross multiply
    266,747.72x = 368,098.28 × 145,865.56
  4. Step 4: Simplify right side
    266,747.72x = 53,692,861,747.24
  5. Step 5: Solve for x
    x = 53,692,861,747.24/266,747.72
  6. Step 6: Final answer
    x = 201,287.05

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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.