Home / 131,662.92-197,035.02-107,693.40

Finding the Fourth Proportional to 131,662.92, 197,035.02 and 107,693.40

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Solution

The fourth proportional to 131,662.92, 197,035.02 and 107,693.40 is: 161,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.92 : 197,035.02 = 107,693.40 : x
  2. Step 2: Convert to fraction form
    131,662.92/197,035.02 = 107,693.40/x
  3. Step 3: Cross multiply
    131,662.92x = 197,035.02 × 107,693.40
  4. Step 4: Simplify right side
    131,662.92x = 21,219,371,222.87
  5. Step 5: Solve for x
    x = 21,219,371,222.87/131,662.92
  6. Step 6: Final answer
    x = 161,164.37

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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.