Home / 156,960.84-235,308.54-68,147.16

Finding the Fourth Proportional to 156,960.84, 235,308.54 and 68,147.16

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Solution

The fourth proportional to 156,960.84, 235,308.54 and 68,147.16 is: 102,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.84 : 235,308.54 = 68,147.16 : x
  2. Step 2: Convert to fraction form
    156,960.84/235,308.54 = 68,147.16/x
  3. Step 3: Cross multiply
    156,960.84x = 235,308.54 × 68,147.16
  4. Step 4: Simplify right side
    156,960.84x = 16,035,608,724.75
  5. Step 5: Solve for x
    x = 16,035,608,724.75/156,960.84
  6. Step 6: Final answer
    x = 102,163.12

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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.