Home / 131,330.70-196,923.15-52,355.70

Finding the Fourth Proportional to 131,330.70, 196,923.15 and 52,355.70

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Solution

The fourth proportional to 131,330.70, 196,923.15 and 52,355.70 is: 78,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,330.70 : 196,923.15 = 52,355.70 : x
  2. Step 2: Convert to fraction form
    131,330.70/196,923.15 = 52,355.70/x
  3. Step 3: Cross multiply
    131,330.70x = 196,923.15 × 52,355.70
  4. Step 4: Simplify right side
    131,330.70x = 10,310,049,364.46
  5. Step 5: Solve for x
    x = 10,310,049,364.46/131,330.70
  6. Step 6: Final answer
    x = 78,504.49

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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.