Home / 109,906.08-151,678.56-62,164.32

Finding the Fourth Proportional to 109,906.08, 151,678.56 and 62,164.32

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Solution

The fourth proportional to 109,906.08, 151,678.56 and 62,164.32 is: 85,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.08 : 151,678.56 = 62,164.32 : x
  2. Step 2: Convert to fraction form
    109,906.08/151,678.56 = 62,164.32/x
  3. Step 3: Cross multiply
    109,906.08x = 151,678.56 × 62,164.32
  4. Step 4: Simplify right side
    109,906.08x = 9,428,994,540.98
  5. Step 5: Solve for x
    x = 9,428,994,540.98/109,906.08
  6. Step 6: Final answer
    x = 85,791.38

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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.