Home / 228,079.44-314,722.15-126,091.12

Finding the Fourth Proportional to 228,079.44, 314,722.15 and 126,091.12

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Solution

The fourth proportional to 228,079.44, 314,722.15 and 126,091.12 is: 173,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,079.44 : 314,722.15 = 126,091.12 : x
  2. Step 2: Convert to fraction form
    228,079.44/314,722.15 = 126,091.12/x
  3. Step 3: Cross multiply
    228,079.44x = 314,722.15 × 126,091.12
  4. Step 4: Simplify right side
    228,079.44x = 39,683,667,751.85
  5. Step 5: Solve for x
    x = 39,683,667,751.85/228,079.44
  6. Step 6: Final answer
    x = 173,990.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.