Home / 131,915.34-197,900.73-43,161.93

Finding the Fourth Proportional to 131,915.34, 197,900.73 and 43,161.93

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Solution

The fourth proportional to 131,915.34, 197,900.73 and 43,161.93 is: 64,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,915.34 : 197,900.73 = 43,161.93 : x
  2. Step 2: Convert to fraction form
    131,915.34/197,900.73 = 43,161.93/x
  3. Step 3: Cross multiply
    131,915.34x = 197,900.73 × 43,161.93
  4. Step 4: Simplify right side
    131,915.34x = 8,541,777,455.21
  5. Step 5: Solve for x
    x = 8,541,777,455.21/131,915.34
  6. Step 6: Final answer
    x = 64,751.96

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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.