Home / 131,545.92-197,295.84-42,786.48

Finding the Fourth Proportional to 131,545.92, 197,295.84 and 42,786.48

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Solution

The fourth proportional to 131,545.92, 197,295.84 and 42,786.48 is: 64,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,545.92 : 197,295.84 = 42,786.48 : x
  2. Step 2: Convert to fraction form
    131,545.92/197,295.84 = 42,786.48/x
  3. Step 3: Cross multiply
    131,545.92x = 197,295.84 × 42,786.48
  4. Step 4: Simplify right side
    131,545.92x = 8,441,594,512.24
  5. Step 5: Solve for x
    x = 8,441,594,512.24/131,545.92
  6. Step 6: Final answer
    x = 64,172.23

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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.