Home / 136,577.24-188,409.61-91,266.35

Finding the Fourth Proportional to 136,577.24, 188,409.61 and 91,266.35

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Solution

The fourth proportional to 136,577.24, 188,409.61 and 91,266.35 is: 125,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,577.24 : 188,409.61 = 91,266.35 : x
  2. Step 2: Convert to fraction form
    136,577.24/188,409.61 = 91,266.35/x
  3. Step 3: Cross multiply
    136,577.24x = 188,409.61 × 91,266.35
  4. Step 4: Simplify right side
    136,577.24x = 17,195,457,409.62
  5. Step 5: Solve for x
    x = 17,195,457,409.62/136,577.24
  6. Step 6: Final answer
    x = 125,902.80

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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.