Home / 117,808.85-162,674.31-109,261.19

Finding the Fourth Proportional to 117,808.85, 162,674.31 and 109,261.19

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Solution

The fourth proportional to 117,808.85, 162,674.31 and 109,261.19 is: 150,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,808.85 : 162,674.31 = 109,261.19 : x
  2. Step 2: Convert to fraction form
    117,808.85/162,674.31 = 109,261.19/x
  3. Step 3: Cross multiply
    117,808.85x = 162,674.31 × 109,261.19
  4. Step 4: Simplify right side
    117,808.85x = 17,773,988,693.03
  5. Step 5: Solve for x
    x = 17,773,988,693.03/117,808.85
  6. Step 6: Final answer
    x = 150,871.42

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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.