Home / 139,799.36-192,965.28-95,113.28

Finding the Fourth Proportional to 139,799.36, 192,965.28 and 95,113.28

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Solution

The fourth proportional to 139,799.36, 192,965.28 and 95,113.28 is: 131,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,799.36 : 192,965.28 = 95,113.28 : x
  2. Step 2: Convert to fraction form
    139,799.36/192,965.28 = 95,113.28/x
  3. Step 3: Cross multiply
    139,799.36x = 192,965.28 × 95,113.28
  4. Step 4: Simplify right side
    139,799.36x = 18,353,560,706.92
  5. Step 5: Solve for x
    x = 18,353,560,706.92/139,799.36
  6. Step 6: Final answer
    x = 131,285.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.