Home / 131,345.33-197,045.70-42,591.94

Finding the Fourth Proportional to 131,345.33, 197,045.70 and 42,591.94

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Solution

The fourth proportional to 131,345.33, 197,045.70 and 42,591.94 is: 63,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,345.33 : 197,045.70 = 42,591.94 : x
  2. Step 2: Convert to fraction form
    131,345.33/197,045.70 = 42,591.94/x
  3. Step 3: Cross multiply
    131,345.33x = 197,045.70 × 42,591.94
  4. Step 4: Simplify right side
    131,345.33x = 8,392,558,436.10
  5. Step 5: Solve for x
    x = 8,392,558,436.10/131,345.33
  6. Step 6: Final answer
    x = 63,896.89

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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.