Home / 268,500.74-402,729.94-156,109.26

Finding the Fourth Proportional to 268,500.74, 402,729.94 and 156,109.26

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Solution

The fourth proportional to 268,500.74, 402,729.94 and 156,109.26 is: 234,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,500.74 : 402,729.94 = 156,109.26 : x
  2. Step 2: Convert to fraction form
    268,500.74/402,729.94 = 156,109.26/x
  3. Step 3: Cross multiply
    268,500.74x = 402,729.94 × 156,109.26
  4. Step 4: Simplify right side
    268,500.74x = 62,869,872,913.24
  5. Step 5: Solve for x
    x = 62,869,872,913.24/268,500.74
  6. Step 6: Final answer
    x = 234,151.58

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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.