Home / 149,705.14-206,627.82-98,727.07

Finding the Fourth Proportional to 149,705.14, 206,627.82 and 98,727.07

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Solution

The fourth proportional to 149,705.14, 206,627.82 and 98,727.07 is: 136,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,705.14 : 206,627.82 = 98,727.07 : x
  2. Step 2: Convert to fraction form
    149,705.14/206,627.82 = 98,727.07/x
  3. Step 3: Cross multiply
    149,705.14x = 206,627.82 × 98,727.07
  4. Step 4: Simplify right side
    149,705.14x = 20,399,758,215.95
  5. Step 5: Solve for x
    x = 20,399,758,215.95/149,705.14
  6. Step 6: Final answer
    x = 136,266.26

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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.