Home / 156,928.49-235,260.09-68,115.23

Finding the Fourth Proportional to 156,928.49, 235,260.09 and 68,115.23

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Solution

The fourth proportional to 156,928.49, 235,260.09 and 68,115.23 is: 102,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.49 : 235,260.09 = 68,115.23 : x
  2. Step 2: Convert to fraction form
    156,928.49/235,260.09 = 68,115.23/x
  3. Step 3: Cross multiply
    156,928.49x = 235,260.09 × 68,115.23
  4. Step 4: Simplify right side
    156,928.49x = 16,024,795,140.17
  5. Step 5: Solve for x
    x = 16,024,795,140.17/156,928.49
  6. Step 6: Final answer
    x = 102,115.27

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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.