Home / 112,113.78-168,170.22-37,239.54

Finding the Fourth Proportional to 112,113.78, 168,170.22 and 37,239.54

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Solution

The fourth proportional to 112,113.78, 168,170.22 and 37,239.54 is: 55,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113.78 : 168,170.22 = 37,239.54 : x
  2. Step 2: Convert to fraction form
    112,113.78/168,170.22 = 37,239.54/x
  3. Step 3: Cross multiply
    112,113.78x = 168,170.22 × 37,239.54
  4. Step 4: Simplify right side
    112,113.78x = 6,262,581,634.50
  5. Step 5: Solve for x
    x = 6,262,581,634.50/112,113.78
  6. Step 6: Final answer
    x = 55,859.16

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1.5x scale

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.