Home / 156,074.04-234,121.65-54,859.80

Finding the Fourth Proportional to 156,074.04, 234,121.65 and 54,859.80

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Solution

The fourth proportional to 156,074.04, 234,121.65 and 54,859.80 is: 82,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,074.04 : 234,121.65 = 54,859.80 : x
  2. Step 2: Convert to fraction form
    156,074.04/234,121.65 = 54,859.80/x
  3. Step 3: Cross multiply
    156,074.04x = 234,121.65 × 54,859.80
  4. Step 4: Simplify right side
    156,074.04x = 12,843,866,894.67
  5. Step 5: Solve for x
    x = 12,843,866,894.67/156,074.04
  6. Step 6: Final answer
    x = 82,293.42

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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.