Home / 156,960.46-235,441.60-38,631

Finding the Fourth Proportional to 156,960.46, 235,441.60 and 38,631

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Solution

The fourth proportional to 156,960.46, 235,441.60 and 38,631 is: 57,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.46 : 235,441.60 = 38,631 : x
  2. Step 2: Convert to fraction form
    156,960.46/235,441.60 = 38,631/x
  3. Step 3: Cross multiply
    156,960.46x = 235,441.60 × 38,631
  4. Step 4: Simplify right side
    156,960.46x = 9,095,344,449.60
  5. Step 5: Solve for x
    x = 9,095,344,449.60/156,960.46
  6. Step 6: Final answer
    x = 57,946.72

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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.