Home / 136,055.40-204,083.10-91,818.60

Finding the Fourth Proportional to 136,055.40, 204,083.10 and 91,818.60

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Solution

The fourth proportional to 136,055.40, 204,083.10 and 91,818.60 is: 137,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,055.40 : 204,083.10 = 91,818.60 : x
  2. Step 2: Convert to fraction form
    136,055.40/204,083.10 = 91,818.60/x
  3. Step 3: Cross multiply
    136,055.40x = 204,083.10 × 91,818.60
  4. Step 4: Simplify right side
    136,055.40x = 18,738,624,525.66
  5. Step 5: Solve for x
    x = 18,738,624,525.66/136,055.40
  6. Step 6: Final answer
    x = 137,727.90

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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.