Home / 107,968.44-162,774.79-100,357.64

Finding the Fourth Proportional to 107,968.44, 162,774.79 and 100,357.64

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Solution

The fourth proportional to 107,968.44, 162,774.79 and 100,357.64 is: 151,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.44 : 162,774.79 = 100,357.64 : x
  2. Step 2: Convert to fraction form
    107,968.44/162,774.79 = 100,357.64/x
  3. Step 3: Cross multiply
    107,968.44x = 162,774.79 × 100,357.64
  4. Step 4: Simplify right side
    107,968.44x = 16,335,693,775.90
  5. Step 5: Solve for x
    x = 16,335,693,775.90/107,968.44
  6. Step 6: Final answer
    x = 151,300.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.