Home / 156,322.18-234,505.14-51,120.19

Finding the Fourth Proportional to 156,322.18, 234,505.14 and 51,120.19

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Solution

The fourth proportional to 156,322.18, 234,505.14 and 51,120.19 is: 76,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,322.18 : 234,505.14 = 51,120.19 : x
  2. Step 2: Convert to fraction form
    156,322.18/234,505.14 = 51,120.19/x
  3. Step 3: Cross multiply
    156,322.18x = 234,505.14 × 51,120.19
  4. Step 4: Simplify right side
    156,322.18x = 11,987,947,312.78
  5. Step 5: Solve for x
    x = 11,987,947,312.78/156,322.18
  6. Step 6: Final answer
    x = 76,687.44

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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.