Home / 131,262.31-196,969.92-55,356.20

Finding the Fourth Proportional to 131,262.31, 196,969.92 and 55,356.20

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Solution

The fourth proportional to 131,262.31, 196,969.92 and 55,356.20 is: 83,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,262.31 : 196,969.92 = 55,356.20 : x
  2. Step 2: Convert to fraction form
    131,262.31/196,969.92 = 55,356.20/x
  3. Step 3: Cross multiply
    131,262.31x = 196,969.92 × 55,356.20
  4. Step 4: Simplify right side
    131,262.31x = 10,903,506,285.50
  5. Step 5: Solve for x
    x = 10,903,506,285.50/131,262.31
  6. Step 6: Final answer
    x = 83,066.54

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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.