Home / 156,257.37-234,396.99-77,350.41

Finding the Fourth Proportional to 156,257.37, 234,396.99 and 77,350.41

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Solution

The fourth proportional to 156,257.37, 234,396.99 and 77,350.41 is: 116,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,257.37 : 234,396.99 = 77,350.41 : x
  2. Step 2: Convert to fraction form
    156,257.37/234,396.99 = 77,350.41/x
  3. Step 3: Cross multiply
    156,257.37x = 234,396.99 × 77,350.41
  4. Step 4: Simplify right side
    156,257.37x = 18,130,703,279.27
  5. Step 5: Solve for x
    x = 18,130,703,279.27/156,257.37
  6. Step 6: Final answer
    x = 116,031.03

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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.