Home / 112,155.14-167,889.21-72,633.62

Finding the Fourth Proportional to 112,155.14, 167,889.21 and 72,633.62

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Solution

The fourth proportional to 112,155.14, 167,889.21 and 72,633.62 is: 108,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.14 : 167,889.21 = 72,633.62 : x
  2. Step 2: Convert to fraction form
    112,155.14/167,889.21 = 72,633.62/x
  3. Step 3: Cross multiply
    112,155.14x = 167,889.21 × 72,633.62
  4. Step 4: Simplify right side
    112,155.14x = 12,194,401,081.24
  5. Step 5: Solve for x
    x = 12,194,401,081.24/112,155.14
  6. Step 6: Final answer
    x = 108,727.97

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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.