Home / 156,695.45-235,136.55-56,863.43

Finding the Fourth Proportional to 156,695.45, 235,136.55 and 56,863.43

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Solution

The fourth proportional to 156,695.45, 235,136.55 and 56,863.43 is: 85,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,695.45 : 235,136.55 = 56,863.43 : x
  2. Step 2: Convert to fraction form
    156,695.45/235,136.55 = 56,863.43/x
  3. Step 3: Cross multiply
    156,695.45x = 235,136.55 × 56,863.43
  4. Step 4: Simplify right side
    156,695.45x = 13,370,670,467.05
  5. Step 5: Solve for x
    x = 13,370,670,467.05/156,695.45
  6. Step 6: Final answer
    x = 85,329.03

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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.