Home / 149,227.25-206,108.57-98,838.77

Finding the Fourth Proportional to 149,227.25, 206,108.57 and 98,838.77

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Solution

The fourth proportional to 149,227.25, 206,108.57 and 98,838.77 is: 136,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,227.25 : 206,108.57 = 98,838.77 : x
  2. Step 2: Convert to fraction form
    149,227.25/206,108.57 = 98,838.77/x
  3. Step 3: Cross multiply
    149,227.25x = 206,108.57 × 98,838.77
  4. Step 4: Simplify right side
    149,227.25x = 20,371,517,051.07
  5. Step 5: Solve for x
    x = 20,371,517,051.07/149,227.25
  6. Step 6: Final answer
    x = 136,513.39

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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.