Home / 97,731.10-146,596.65-92,287.90

Finding the Fourth Proportional to 97,731.10, 146,596.65 and 92,287.90

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Solution

The fourth proportional to 97,731.10, 146,596.65 and 92,287.90 is: 138,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.10 : 146,596.65 = 92,287.90 : x
  2. Step 2: Convert to fraction form
    97,731.10/146,596.65 = 92,287.90/x
  3. Step 3: Cross multiply
    97,731.10x = 146,596.65 × 92,287.90
  4. Step 4: Simplify right side
    97,731.10x = 13,529,096,975.54
  5. Step 5: Solve for x
    x = 13,529,096,975.54/97,731.10
  6. Step 6: Final answer
    x = 138,431.85

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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.