Home / 231,776.10-347,729.76-89,664.84

Finding the Fourth Proportional to 231,776.10, 347,729.76 and 89,664.84

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Solution

The fourth proportional to 231,776.10, 347,729.76 and 89,664.84 is: 134,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,776.10 : 347,729.76 = 89,664.84 : x
  2. Step 2: Convert to fraction form
    231,776.10/347,729.76 = 89,664.84/x
  3. Step 3: Cross multiply
    231,776.10x = 347,729.76 × 89,664.84
  4. Step 4: Simplify right side
    231,776.10x = 31,179,133,293.64
  5. Step 5: Solve for x
    x = 31,179,133,293.64/231,776.10
  6. Step 6: Final answer
    x = 134,522.64

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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.