Home / 266,881.94-400,225.82-89,346.76

Finding the Fourth Proportional to 266,881.94, 400,225.82 and 89,346.76

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Solution

The fourth proportional to 266,881.94, 400,225.82 and 89,346.76 is: 133,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,881.94 : 400,225.82 = 89,346.76 : x
  2. Step 2: Convert to fraction form
    266,881.94/400,225.82 = 89,346.76/x
  3. Step 3: Cross multiply
    266,881.94x = 400,225.82 × 89,346.76
  4. Step 4: Simplify right side
    266,881.94x = 35,758,880,285.34
  5. Step 5: Solve for x
    x = 35,758,880,285.34/266,881.94
  6. Step 6: Final answer
    x = 133,987.64

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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.