Home / 131,622.14-197,387-36,826.84

Finding the Fourth Proportional to 131,622.14, 197,387 and 36,826.84

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Solution

The fourth proportional to 131,622.14, 197,387 and 36,826.84 is: 55,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.14 : 197,387 = 36,826.84 : x
  2. Step 2: Convert to fraction form
    131,622.14/197,387 = 36,826.84/x
  3. Step 3: Cross multiply
    131,622.14x = 197,387 × 36,826.84
  4. Step 4: Simplify right side
    131,622.14x = 7,269,139,467.08
  5. Step 5: Solve for x
    x = 7,269,139,467.08/131,622.14
  6. Step 6: Final answer
    x = 55,227.33

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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.