Home / 266,926.46-400,389.68-89,433.79

Finding the Fourth Proportional to 266,926.46, 400,389.68 and 89,433.79

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Solution

The fourth proportional to 266,926.46, 400,389.68 and 89,433.79 is: 134,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,926.46 : 400,389.68 = 89,433.79 : x
  2. Step 2: Convert to fraction form
    266,926.46/400,389.68 = 89,433.79/x
  3. Step 3: Cross multiply
    266,926.46x = 400,389.68 × 89,433.79
  4. Step 4: Simplify right side
    266,926.46x = 35,808,365,781.90
  5. Step 5: Solve for x
    x = 35,808,365,781.90/266,926.46
  6. Step 6: Final answer
    x = 134,150.68

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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.