Home / 156,611.84-234,893.28-51,429.92

Finding the Fourth Proportional to 156,611.84, 234,893.28 and 51,429.92

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Solution

The fourth proportional to 156,611.84, 234,893.28 and 51,429.92 is: 77,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,611.84 : 234,893.28 = 51,429.92 : x
  2. Step 2: Convert to fraction form
    156,611.84/234,893.28 = 51,429.92/x
  3. Step 3: Cross multiply
    156,611.84x = 234,893.28 × 51,429.92
  4. Step 4: Simplify right side
    156,611.84x = 12,080,542,598.94
  5. Step 5: Solve for x
    x = 12,080,542,598.94/156,611.84
  6. Step 6: Final answer
    x = 77,136.84

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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.