Home / 149,116.96-205,713.59-88,653.30

Finding the Fourth Proportional to 149,116.96, 205,713.59 and 88,653.30

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Solution

The fourth proportional to 149,116.96, 205,713.59 and 88,653.30 is: 122,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,116.96 : 205,713.59 = 88,653.30 : x
  2. Step 2: Convert to fraction form
    149,116.96/205,713.59 = 88,653.30/x
  3. Step 3: Cross multiply
    149,116.96x = 205,713.59 × 88,653.30
  4. Step 4: Simplify right side
    149,116.96x = 18,237,188,608.35
  5. Step 5: Solve for x
    x = 18,237,188,608.35/149,116.96
  6. Step 6: Final answer
    x = 122,301.24

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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.