Home / 314,630.27-434,157.41-176,787.30

Finding the Fourth Proportional to 314,630.27, 434,157.41 and 176,787.30

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Solution

The fourth proportional to 314,630.27, 434,157.41 and 176,787.30 is: 243,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,630.27 : 434,157.41 = 176,787.30 : x
  2. Step 2: Convert to fraction form
    314,630.27/434,157.41 = 176,787.30/x
  3. Step 3: Cross multiply
    314,630.27x = 434,157.41 × 176,787.30
  4. Step 4: Simplify right side
    314,630.27x = 76,753,515,404.96
  5. Step 5: Solve for x
    x = 76,753,515,404.96/314,630.27
  6. Step 6: Final answer
    x = 243,948.29

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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.