Home / 149,503.54-206,364.88-89,093.14

Finding the Fourth Proportional to 149,503.54, 206,364.88 and 89,093.14

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Solution

The fourth proportional to 149,503.54, 206,364.88 and 89,093.14 is: 122,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,503.54 : 206,364.88 = 89,093.14 : x
  2. Step 2: Convert to fraction form
    149,503.54/206,364.88 = 89,093.14/x
  3. Step 3: Cross multiply
    149,503.54x = 206,364.88 × 89,093.14
  4. Step 4: Simplify right side
    149,503.54x = 18,385,695,144.92
  5. Step 5: Solve for x
    x = 18,385,695,144.92/149,503.54
  6. Step 6: Final answer
    x = 122,978.33

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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.