Home / 156,787.11-235,483.20-134,348.49

Finding the Fourth Proportional to 156,787.11, 235,483.20 and 134,348.49

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Solution

The fourth proportional to 156,787.11, 235,483.20 and 134,348.49 is: 201,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,787.11 : 235,483.20 = 134,348.49 : x
  2. Step 2: Convert to fraction form
    156,787.11/235,483.20 = 134,348.49/x
  3. Step 3: Cross multiply
    156,787.11x = 235,483.20 × 134,348.49
  4. Step 4: Simplify right side
    156,787.11x = 31,636,812,340.37
  5. Step 5: Solve for x
    x = 31,636,812,340.37/156,787.11
  6. Step 6: Final answer
    x = 201,781.97

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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.