Home / 112,072.68-168,129-37,197.36

Finding the Fourth Proportional to 112,072.68, 168,129 and 37,197.36

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Solution

The fourth proportional to 112,072.68, 168,129 and 37,197.36 is: 55,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.68 : 168,129 = 37,197.36 : x
  2. Step 2: Convert to fraction form
    112,072.68/168,129 = 37,197.36/x
  3. Step 3: Cross multiply
    112,072.68x = 168,129 × 37,197.36
  4. Step 4: Simplify right side
    112,072.68x = 6,253,954,939.44
  5. Step 5: Solve for x
    x = 6,253,954,939.44/112,072.68
  6. Step 6: Final answer
    x = 55,802.67

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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.