Home / 131,082.84-196,637.04-52,178.64

Finding the Fourth Proportional to 131,082.84, 196,637.04 and 52,178.64

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Solution

The fourth proportional to 131,082.84, 196,637.04 and 52,178.64 is: 78,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,082.84 : 196,637.04 = 52,178.64 : x
  2. Step 2: Convert to fraction form
    131,082.84/196,637.04 = 52,178.64/x
  3. Step 3: Cross multiply
    131,082.84x = 196,637.04 × 52,178.64
  4. Step 4: Simplify right side
    131,082.84x = 10,260,253,320.83
  5. Step 5: Solve for x
    x = 10,260,253,320.83/131,082.84
  6. Step 6: Final answer
    x = 78,273.05

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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.