Home / 126,827.46-190,537.47-109,113.30

Finding the Fourth Proportional to 126,827.46, 190,537.47 and 109,113.30

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Solution

The fourth proportional to 126,827.46, 190,537.47 and 109,113.30 is: 163,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,827.46 : 190,537.47 = 109,113.30 : x
  2. Step 2: Convert to fraction form
    126,827.46/190,537.47 = 109,113.30/x
  3. Step 3: Cross multiply
    126,827.46x = 190,537.47 × 109,113.30
  4. Step 4: Simplify right side
    126,827.46x = 20,790,172,125.35
  5. Step 5: Solve for x
    x = 20,790,172,125.35/126,827.46
  6. Step 6: Final answer
    x = 163,924.85

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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.