Home / 228,899.52-315,865.44-126,930.24

Finding the Fourth Proportional to 228,899.52, 315,865.44 and 126,930.24

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Solution

The fourth proportional to 228,899.52, 315,865.44 and 126,930.24 is: 175,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,899.52 : 315,865.44 = 126,930.24 : x
  2. Step 2: Convert to fraction form
    228,899.52/315,865.44 = 126,930.24/x
  3. Step 3: Cross multiply
    228,899.52x = 315,865.44 × 126,930.24
  4. Step 4: Simplify right side
    228,899.52x = 40,092,876,106.91
  5. Step 5: Solve for x
    x = 40,092,876,106.91/228,899.52
  6. Step 6: Final answer
    x = 175,154.92

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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.