Home / 112,171.80-168,221.28-37,271.83

Finding the Fourth Proportional to 112,171.80, 168,221.28 and 37,271.83

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Solution

The fourth proportional to 112,171.80, 168,221.28 and 37,271.83 is: 55,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.80 : 168,221.28 = 37,271.83 : x
  2. Step 2: Convert to fraction form
    112,171.80/168,221.28 = 37,271.83/x
  3. Step 3: Cross multiply
    112,171.80x = 168,221.28 × 37,271.83
  4. Step 4: Simplify right side
    112,171.80x = 6,269,914,950.54
  5. Step 5: Solve for x
    x = 6,269,914,950.54/112,171.80
  6. Step 6: Final answer
    x = 55,895.64

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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.