Home / 112,163.37-154,802.24-71,922.57

Finding the Fourth Proportional to 112,163.37, 154,802.24 and 71,922.57

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Solution

The fourth proportional to 112,163.37, 154,802.24 and 71,922.57 is: 99,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,163.37 : 154,802.24 = 71,922.57 : x
  2. Step 2: Convert to fraction form
    112,163.37/154,802.24 = 71,922.57/x
  3. Step 3: Cross multiply
    112,163.37x = 154,802.24 × 71,922.57
  4. Step 4: Simplify right side
    112,163.37x = 11,133,774,942.56
  5. Step 5: Solve for x
    x = 11,133,774,942.56/112,163.37
  6. Step 6: Final answer
    x = 99,263.91

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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.