Home / 156,961.40-235,431.30-50,343.80

Finding the Fourth Proportional to 156,961.40, 235,431.30 and 50,343.80

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Solution

The fourth proportional to 156,961.40, 235,431.30 and 50,343.80 is: 75,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.40 : 235,431.30 = 50,343.80 : x
  2. Step 2: Convert to fraction form
    156,961.40/235,431.30 = 50,343.80/x
  3. Step 3: Cross multiply
    156,961.40x = 235,431.30 × 50,343.80
  4. Step 4: Simplify right side
    156,961.40x = 11,852,506,280.94
  5. Step 5: Solve for x
    x = 11,852,506,280.94/156,961.40
  6. Step 6: Final answer
    x = 75,512.24

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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.