Home / 156,967.53-235,555.99-57,127.70

Finding the Fourth Proportional to 156,967.53, 235,555.99 and 57,127.70

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Solution

The fourth proportional to 156,967.53, 235,555.99 and 57,127.70 is: 85,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.53 : 235,555.99 = 57,127.70 : x
  2. Step 2: Convert to fraction form
    156,967.53/235,555.99 = 57,127.70/x
  3. Step 3: Cross multiply
    156,967.53x = 235,555.99 × 57,127.70
  4. Step 4: Simplify right side
    156,967.53x = 13,456,770,609.32
  5. Step 5: Solve for x
    x = 13,456,770,609.32/156,967.53
  6. Step 6: Final answer
    x = 85,729.64

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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.