Home / 266,328.96-367,531.78-145,470.32

Finding the Fourth Proportional to 266,328.96, 367,531.78 and 145,470.32

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Solution

The fourth proportional to 266,328.96, 367,531.78 and 145,470.32 is: 200,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,328.96 : 367,531.78 = 145,470.32 : x
  2. Step 2: Convert to fraction form
    266,328.96/367,531.78 = 145,470.32/x
  3. Step 3: Cross multiply
    266,328.96x = 367,531.78 × 145,470.32
  4. Step 4: Simplify right side
    266,328.96x = 53,464,964,919.42
  5. Step 5: Solve for x
    x = 53,464,964,919.42/266,328.96
  6. Step 6: Final answer
    x = 200,747.85

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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.