Home / 147,399.44-203,388.45-82,856.72

Finding the Fourth Proportional to 147,399.44, 203,388.45 and 82,856.72

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Solution

The fourth proportional to 147,399.44, 203,388.45 and 82,856.72 is: 114,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,399.44 : 203,388.45 = 82,856.72 : x
  2. Step 2: Convert to fraction form
    147,399.44/203,388.45 = 82,856.72/x
  3. Step 3: Cross multiply
    147,399.44x = 203,388.45 × 82,856.72
  4. Step 4: Simplify right side
    147,399.44x = 16,852,098,525.23
  5. Step 5: Solve for x
    x = 16,852,098,525.23/147,399.44
  6. Step 6: Final answer
    x = 114,329.46

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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.