Home / 238,116.11-328,576.30-142,620.35

Finding the Fourth Proportional to 238,116.11, 328,576.30 and 142,620.35

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Solution

The fourth proportional to 238,116.11, 328,576.30 and 142,620.35 is: 196,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,116.11 : 328,576.30 = 142,620.35 : x
  2. Step 2: Convert to fraction form
    238,116.11/328,576.30 = 142,620.35/x
  3. Step 3: Cross multiply
    238,116.11x = 328,576.30 × 142,620.35
  4. Step 4: Simplify right side
    238,116.11x = 46,861,664,908.27
  5. Step 5: Solve for x
    x = 46,861,664,908.27/238,116.11
  6. Step 6: Final answer
    x = 196,801.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.