Home / 149,233.16-205,935.52-82,160.84

Finding the Fourth Proportional to 149,233.16, 205,935.52 and 82,160.84

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Solution

The fourth proportional to 149,233.16, 205,935.52 and 82,160.84 is: 113,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,233.16 : 205,935.52 = 82,160.84 : x
  2. Step 2: Convert to fraction form
    149,233.16/205,935.52 = 82,160.84/x
  3. Step 3: Cross multiply
    149,233.16x = 205,935.52 × 82,160.84
  4. Step 4: Simplify right side
    149,233.16x = 16,919,835,309.04
  5. Step 5: Solve for x
    x = 16,919,835,309.04/149,233.16
  6. Step 6: Final answer
    x = 113,378.52

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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.