Home / 132,336.58-198,484.02-109,990.72

Finding the Fourth Proportional to 132,336.58, 198,484.02 and 109,990.72

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Solution

The fourth proportional to 132,336.58, 198,484.02 and 109,990.72 is: 164,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336.58 : 198,484.02 = 109,990.72 : x
  2. Step 2: Convert to fraction form
    132,336.58/198,484.02 = 109,990.72/x
  3. Step 3: Cross multiply
    132,336.58x = 198,484.02 × 109,990.72
  4. Step 4: Simplify right side
    132,336.58x = 21,831,400,268.29
  5. Step 5: Solve for x
    x = 21,831,400,268.29/132,336.58
  6. Step 6: Final answer
    x = 164,968.75

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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.