Home / 147,406.95-203,428.79-82,896.48

Finding the Fourth Proportional to 147,406.95, 203,428.79 and 82,896.48

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Solution

The fourth proportional to 147,406.95, 203,428.79 and 82,896.48 is: 114,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,406.95 : 203,428.79 = 82,896.48 : x
  2. Step 2: Convert to fraction form
    147,406.95/203,428.79 = 82,896.48/x
  3. Step 3: Cross multiply
    147,406.95x = 203,428.79 × 82,896.48
  4. Step 4: Simplify right side
    147,406.95x = 16,863,530,621.66
  5. Step 5: Solve for x
    x = 16,863,530,621.66/147,406.95
  6. Step 6: Final answer
    x = 114,401.19

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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.