Home / 131,995.24-197,989.56-38,501.80

Finding the Fourth Proportional to 131,995.24, 197,989.56 and 38,501.80

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Solution

The fourth proportional to 131,995.24, 197,989.56 and 38,501.80 is: 57,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,995.24 : 197,989.56 = 38,501.80 : x
  2. Step 2: Convert to fraction form
    131,995.24/197,989.56 = 38,501.80/x
  3. Step 3: Cross multiply
    131,995.24x = 197,989.56 × 38,501.80
  4. Step 4: Simplify right side
    131,995.24x = 7,622,954,441.21
  5. Step 5: Solve for x
    x = 7,622,954,441.21/131,995.24
  6. Step 6: Final answer
    x = 57,751.74

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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.