Home / 112,228.22-155,080.24-106,761.26

Finding the Fourth Proportional to 112,228.22, 155,080.24 and 106,761.26

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Solution

The fourth proportional to 112,228.22, 155,080.24 and 106,761.26 is: 147,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,228.22 : 155,080.24 = 106,761.26 : x
  2. Step 2: Convert to fraction form
    112,228.22/155,080.24 = 106,761.26/x
  3. Step 3: Cross multiply
    112,228.22x = 155,080.24 × 106,761.26
  4. Step 4: Simplify right side
    112,228.22x = 16,556,561,823.50
  5. Step 5: Solve for x
    x = 16,556,561,823.50/112,228.22
  6. Step 6: Final answer
    x = 147,525.83

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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.