Home / 266,825.04-400,237.56-126,507.12

Finding the Fourth Proportional to 266,825.04, 400,237.56 and 126,507.12

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Solution

The fourth proportional to 266,825.04, 400,237.56 and 126,507.12 is: 189,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,825.04 : 400,237.56 = 126,507.12 : x
  2. Step 2: Convert to fraction form
    266,825.04/400,237.56 = 126,507.12/x
  3. Step 3: Cross multiply
    266,825.04x = 400,237.56 × 126,507.12
  4. Step 4: Simplify right side
    266,825.04x = 50,632,901,031.43
  5. Step 5: Solve for x
    x = 50,632,901,031.43/266,825.04
  6. Step 6: Final answer
    x = 189,760.68

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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.