Home / 156,951.50-235,427.25-40,215.50

Finding the Fourth Proportional to 156,951.50, 235,427.25 and 40,215.50

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Solution

The fourth proportional to 156,951.50, 235,427.25 and 40,215.50 is: 60,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.50 : 235,427.25 = 40,215.50 : x
  2. Step 2: Convert to fraction form
    156,951.50/235,427.25 = 40,215.50/x
  3. Step 3: Cross multiply
    156,951.50x = 235,427.25 × 40,215.50
  4. Step 4: Simplify right side
    156,951.50x = 9,467,824,572.38
  5. Step 5: Solve for x
    x = 9,467,824,572.38/156,951.50
  6. Step 6: Final answer
    x = 60,323.25

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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.