Home / 110,109.92-151,936.48-64,761.12

Finding the Fourth Proportional to 110,109.92, 151,936.48 and 64,761.12

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Solution

The fourth proportional to 110,109.92, 151,936.48 and 64,761.12 is: 89,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,109.92 : 151,936.48 = 64,761.12 : x
  2. Step 2: Convert to fraction form
    110,109.92/151,936.48 = 64,761.12/x
  3. Step 3: Cross multiply
    110,109.92x = 151,936.48 × 64,761.12
  4. Step 4: Simplify right side
    110,109.92x = 9,839,576,613.66
  5. Step 5: Solve for x
    x = 9,839,576,613.66/110,109.92
  6. Step 6: Final answer
    x = 89,361.40

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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.