Home / 121,439.32-182,171.12-37,198.51

Finding the Fourth Proportional to 121,439.32, 182,171.12 and 37,198.51

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Solution

The fourth proportional to 121,439.32, 182,171.12 and 37,198.51 is: 55,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,439.32 : 182,171.12 = 37,198.51 : x
  2. Step 2: Convert to fraction form
    121,439.32/182,171.12 = 37,198.51/x
  3. Step 3: Cross multiply
    121,439.32x = 182,171.12 × 37,198.51
  4. Step 4: Simplify right side
    121,439.32x = 6,776,493,587.61
  5. Step 5: Solve for x
    x = 6,776,493,587.61/121,439.32
  6. Step 6: Final answer
    x = 55,801.48

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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.