Home / 112,171.72-168,221.19-37,271.76

Finding the Fourth Proportional to 112,171.72, 168,221.19 and 37,271.76

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Solution

The fourth proportional to 112,171.72, 168,221.19 and 37,271.76 is: 55,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.72 : 168,221.19 = 37,271.76 : x
  2. Step 2: Convert to fraction form
    112,171.72/168,221.19 = 37,271.76/x
  3. Step 3: Cross multiply
    112,171.72x = 168,221.19 × 37,271.76
  4. Step 4: Simplify right side
    112,171.72x = 6,269,899,820.59
  5. Step 5: Solve for x
    x = 6,269,899,820.59/112,171.72
  6. Step 6: Final answer
    x = 55,895.55

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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.