Home / 149,286.84-206,024.52-112,427.08

Finding the Fourth Proportional to 149,286.84, 206,024.52 and 112,427.08

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Solution

The fourth proportional to 149,286.84, 206,024.52 and 112,427.08 is: 155,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286.84 : 206,024.52 = 112,427.08 : x
  2. Step 2: Convert to fraction form
    149,286.84/206,024.52 = 112,427.08/x
  3. Step 3: Cross multiply
    149,286.84x = 206,024.52 × 112,427.08
  4. Step 4: Simplify right side
    149,286.84x = 23,162,735,192.00
  5. Step 5: Solve for x
    x = 23,162,735,192.00/149,286.84
  6. Step 6: Final answer
    x = 155,155.91

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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.