Home / 156,962.55-235,438.55-68,216.07

Finding the Fourth Proportional to 156,962.55, 235,438.55 and 68,216.07

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Solution

The fourth proportional to 156,962.55, 235,438.55 and 68,216.07 is: 102,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.55 : 235,438.55 = 68,216.07 : x
  2. Step 2: Convert to fraction form
    156,962.55/235,438.55 = 68,216.07/x
  3. Step 3: Cross multiply
    156,962.55x = 235,438.55 × 68,216.07
  4. Step 4: Simplify right side
    156,962.55x = 16,060,691,639.33
  5. Step 5: Solve for x
    x = 16,060,691,639.33/156,962.55
  6. Step 6: Final answer
    x = 102,321.80

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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.