Home / 266,056.30-367,144.21-145,196.61

Finding the Fourth Proportional to 266,056.30, 367,144.21 and 145,196.61

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Solution

The fourth proportional to 266,056.30, 367,144.21 and 145,196.61 is: 200,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,056.30 : 367,144.21 = 145,196.61 : x
  2. Step 2: Convert to fraction form
    266,056.30/367,144.21 = 145,196.61/x
  3. Step 3: Cross multiply
    266,056.30x = 367,144.21 × 145,196.61
  4. Step 4: Simplify right side
    266,056.30x = 53,308,094,673.13
  5. Step 5: Solve for x
    x = 53,308,094,673.13/266,056.30
  6. Step 6: Final answer
    x = 200,363.96

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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.