Home / 110,986.80-153,171.79-63,255.53

Finding the Fourth Proportional to 110,986.80, 153,171.79 and 63,255.53

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Solution

The fourth proportional to 110,986.80, 153,171.79 and 63,255.53 is: 87,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,986.80 : 153,171.79 = 63,255.53 : x
  2. Step 2: Convert to fraction form
    110,986.80/153,171.79 = 63,255.53/x
  3. Step 3: Cross multiply
    110,986.80x = 153,171.79 × 63,255.53
  4. Step 4: Simplify right side
    110,986.80x = 9,688,961,991.64
  5. Step 5: Solve for x
    x = 9,688,961,991.64/110,986.80
  6. Step 6: Final answer
    x = 87,298.33

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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.