Home / 110,097.65-151,997.78-72,481.25

Finding the Fourth Proportional to 110,097.65, 151,997.78 and 72,481.25

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Solution

The fourth proportional to 110,097.65, 151,997.78 and 72,481.25 is: 100,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,097.65 : 151,997.78 = 72,481.25 : x
  2. Step 2: Convert to fraction form
    110,097.65/151,997.78 = 72,481.25/x
  3. Step 3: Cross multiply
    110,097.65x = 151,997.78 × 72,481.25
  4. Step 4: Simplify right side
    110,097.65x = 11,016,989,091.63
  5. Step 5: Solve for x
    x = 11,016,989,091.63/110,097.65
  6. Step 6: Final answer
    x = 100,065.62

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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.