Home / 117,028.80-175,586.40-112,708.80

Finding the Fourth Proportional to 117,028.80, 175,586.40 and 112,708.80

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Solution

The fourth proportional to 117,028.80, 175,586.40 and 112,708.80 is: 169,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.80 : 175,586.40 = 112,708.80 : x
  2. Step 2: Convert to fraction form
    117,028.80/175,586.40 = 112,708.80/x
  3. Step 3: Cross multiply
    117,028.80x = 175,586.40 × 112,708.80
  4. Step 4: Simplify right side
    117,028.80x = 19,790,132,440.32
  5. Step 5: Solve for x
    x = 19,790,132,440.32/117,028.80
  6. Step 6: Final answer
    x = 169,104.81

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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.