Home / 131,383.58-197,222.79-52,552.76

Finding the Fourth Proportional to 131,383.58, 197,222.79 and 52,552.76

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Solution

The fourth proportional to 131,383.58, 197,222.79 and 52,552.76 is: 78,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,383.58 : 197,222.79 = 52,552.76 : x
  2. Step 2: Convert to fraction form
    131,383.58/197,222.79 = 52,552.76/x
  3. Step 3: Cross multiply
    131,383.58x = 197,222.79 × 52,552.76
  4. Step 4: Simplify right side
    131,383.58x = 10,364,601,949.40
  5. Step 5: Solve for x
    x = 10,364,601,949.40/131,383.58
  6. Step 6: Final answer
    x = 78,888.11

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1.5x scale

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.