Home / 228,500.64-315,327.04-126,523.91

Finding the Fourth Proportional to 228,500.64, 315,327.04 and 126,523.91

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Solution

The fourth proportional to 228,500.64, 315,327.04 and 126,523.91 is: 174,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,500.64 : 315,327.04 = 126,523.91 : x
  2. Step 2: Convert to fraction form
    228,500.64/315,327.04 = 126,523.91/x
  3. Step 3: Cross multiply
    228,500.64x = 315,327.04 × 126,523.91
  4. Step 4: Simplify right side
    228,500.64x = 39,896,407,820.27
  5. Step 5: Solve for x
    x = 39,896,407,820.27/228,500.64
  6. Step 6: Final answer
    x = 174,600.86

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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.