Home / 136,611.96-204,987.64-92,145.46

Finding the Fourth Proportional to 136,611.96, 204,987.64 and 92,145.46

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Solution

The fourth proportional to 136,611.96, 204,987.64 and 92,145.46 is: 138,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,611.96 : 204,987.64 = 92,145.46 : x
  2. Step 2: Convert to fraction form
    136,611.96/204,987.64 = 92,145.46/x
  3. Step 3: Cross multiply
    136,611.96x = 204,987.64 × 92,145.46
  4. Step 4: Simplify right side
    136,611.96x = 18,888,680,382.11
  5. Step 5: Solve for x
    x = 18,888,680,382.11/136,611.96
  6. Step 6: Final answer
    x = 138,265.20

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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.