Home / 126,336.92-174,352.91-72,630.27

Finding the Fourth Proportional to 126,336.92, 174,352.91 and 72,630.27

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Solution

The fourth proportional to 126,336.92, 174,352.91 and 72,630.27 is: 100,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336.92 : 174,352.91 = 72,630.27 : x
  2. Step 2: Convert to fraction form
    126,336.92/174,352.91 = 72,630.27/x
  3. Step 3: Cross multiply
    126,336.92x = 174,352.91 × 72,630.27
  4. Step 4: Simplify right side
    126,336.92x = 12,663,298,565.43
  5. Step 5: Solve for x
    x = 12,663,298,565.43/126,336.92
  6. Step 6: Final answer
    x = 100,234.35

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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.