Home / 110,912.08-153,069.32-63,180.88

Finding the Fourth Proportional to 110,912.08, 153,069.32 and 63,180.88

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Solution

The fourth proportional to 110,912.08, 153,069.32 and 63,180.88 is: 87,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,912.08 : 153,069.32 = 63,180.88 : x
  2. Step 2: Convert to fraction form
    110,912.08/153,069.32 = 63,180.88/x
  3. Step 3: Cross multiply
    110,912.08x = 153,069.32 × 63,180.88
  4. Step 4: Simplify right side
    110,912.08x = 9,671,054,338.60
  5. Step 5: Solve for x
    x = 9,671,054,338.60/110,912.08
  6. Step 6: Final answer
    x = 87,195.68

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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.