Home / 136,955.55-188,933.22-85,942.92

Finding the Fourth Proportional to 136,955.55, 188,933.22 and 85,942.92

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Solution

The fourth proportional to 136,955.55, 188,933.22 and 85,942.92 is: 118,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955.55 : 188,933.22 = 85,942.92 : x
  2. Step 2: Convert to fraction form
    136,955.55/188,933.22 = 85,942.92/x
  3. Step 3: Cross multiply
    136,955.55x = 188,933.22 × 85,942.92
  4. Step 4: Simplify right side
    136,955.55x = 16,237,472,611.80
  5. Step 5: Solve for x
    x = 16,237,472,611.80/136,955.55
  6. Step 6: Final answer
    x = 118,560.17

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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.