Home / 156,993.23-235,456.88-51,787.55

Finding the Fourth Proportional to 156,993.23, 235,456.88 and 51,787.55

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Solution

The fourth proportional to 156,993.23, 235,456.88 and 51,787.55 is: 77,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,993.23 : 235,456.88 = 51,787.55 : x
  2. Step 2: Convert to fraction form
    156,993.23/235,456.88 = 51,787.55/x
  3. Step 3: Cross multiply
    156,993.23x = 235,456.88 × 51,787.55
  4. Step 4: Simplify right side
    156,993.23x = 12,193,733,509.62
  5. Step 5: Solve for x
    x = 12,193,733,509.62/156,993.23
  6. Step 6: Final answer
    x = 77,670.44

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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.