Home / 110,918.85-153,083.87-63,176.64

Finding the Fourth Proportional to 110,918.85, 153,083.87 and 63,176.64

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Solution

The fourth proportional to 110,918.85, 153,083.87 and 63,176.64 is: 87,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,918.85 : 153,083.87 = 63,176.64 : x
  2. Step 2: Convert to fraction form
    110,918.85/153,083.87 = 63,176.64/x
  3. Step 3: Cross multiply
    110,918.85x = 153,083.87 × 63,176.64
  4. Step 4: Simplify right side
    110,918.85x = 9,671,324,228.91
  5. Step 5: Solve for x
    x = 9,671,324,228.91/110,918.85
  6. Step 6: Final answer
    x = 87,192.79

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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.