Home / 121,406.40-182,109.60-114,517.35

Finding the Fourth Proportional to 121,406.40, 182,109.60 and 114,517.35

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Solution

The fourth proportional to 121,406.40, 182,109.60 and 114,517.35 is: 171,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,406.40 : 182,109.60 = 114,517.35 : x
  2. Step 2: Convert to fraction form
    121,406.40/182,109.60 = 114,517.35/x
  3. Step 3: Cross multiply
    121,406.40x = 182,109.60 × 114,517.35
  4. Step 4: Simplify right side
    121,406.40x = 20,854,708,801.56
  5. Step 5: Solve for x
    x = 20,854,708,801.56/121,406.40
  6. Step 6: Final answer
    x = 171,776.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.