Home / 149,360.90-206,108.42-88,935.98

Finding the Fourth Proportional to 149,360.90, 206,108.42 and 88,935.98

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Solution

The fourth proportional to 149,360.90, 206,108.42 and 88,935.98 is: 122,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,360.90 : 206,108.42 = 88,935.98 : x
  2. Step 2: Convert to fraction form
    149,360.90/206,108.42 = 88,935.98/x
  3. Step 3: Cross multiply
    149,360.90x = 206,108.42 × 88,935.98
  4. Step 4: Simplify right side
    149,360.90x = 18,330,454,318.95
  5. Step 5: Solve for x
    x = 18,330,454,318.95/149,360.90
  6. Step 6: Final answer
    x = 122,725.92

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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.