Home / 156,136.88-234,132.42-56,283.92

Finding the Fourth Proportional to 156,136.88, 234,132.42 and 56,283.92

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Solution

The fourth proportional to 156,136.88, 234,132.42 and 56,283.92 is: 84,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.88 : 234,132.42 = 56,283.92 : x
  2. Step 2: Convert to fraction form
    156,136.88/234,132.42 = 56,283.92/x
  3. Step 3: Cross multiply
    156,136.88x = 234,132.42 × 56,283.92
  4. Step 4: Simplify right side
    156,136.88x = 13,177,890,396.69
  5. Step 5: Solve for x
    x = 13,177,890,396.69/156,136.88
  6. Step 6: Final answer
    x = 84,399.60

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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.