Home / 109,600.86-151,232.97-66,557.97

Finding the Fourth Proportional to 109,600.86, 151,232.97 and 66,557.97

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Solution

The fourth proportional to 109,600.86, 151,232.97 and 66,557.97 is: 91,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.86 : 151,232.97 = 66,557.97 : x
  2. Step 2: Convert to fraction form
    109,600.86/151,232.97 = 66,557.97/x
  3. Step 3: Cross multiply
    109,600.86x = 151,232.97 × 66,557.97
  4. Step 4: Simplify right side
    109,600.86x = 10,065,759,480.27
  5. Step 5: Solve for x
    x = 10,065,759,480.27/109,600.86
  6. Step 6: Final answer
    x = 91,840.15

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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.