Home / 131,099.84-196,662.54-52,195.64

Finding the Fourth Proportional to 131,099.84, 196,662.54 and 52,195.64

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Solution

The fourth proportional to 131,099.84, 196,662.54 and 52,195.64 is: 78,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,099.84 : 196,662.54 = 52,195.64 : x
  2. Step 2: Convert to fraction form
    131,099.84/196,662.54 = 52,195.64/x
  3. Step 3: Cross multiply
    131,099.84x = 196,662.54 × 52,195.64
  4. Step 4: Simplify right side
    131,099.84x = 10,264,927,139.33
  5. Step 5: Solve for x
    x = 10,264,927,139.33/131,099.84
  6. Step 6: Final answer
    x = 78,298.55

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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.