Home / 231,613.84-347,427.78-79,809.04

Finding the Fourth Proportional to 231,613.84, 347,427.78 and 79,809.04

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Solution

The fourth proportional to 231,613.84, 347,427.78 and 79,809.04 is: 119,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,613.84 : 347,427.78 = 79,809.04 : x
  2. Step 2: Convert to fraction form
    231,613.84/347,427.78 = 79,809.04/x
  3. Step 3: Cross multiply
    231,613.84x = 347,427.78 × 79,809.04
  4. Step 4: Simplify right side
    231,613.84x = 27,727,877,591.13
  5. Step 5: Solve for x
    x = 27,727,877,591.13/231,613.84
  6. Step 6: Final answer
    x = 119,715.98

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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.