Home / 268,975.22-403,334.10-156,687.48

Finding the Fourth Proportional to 268,975.22, 403,334.10 and 156,687.48

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Solution

The fourth proportional to 268,975.22, 403,334.10 and 156,687.48 is: 234,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,975.22 : 403,334.10 = 156,687.48 : x
  2. Step 2: Convert to fraction form
    268,975.22/403,334.10 = 156,687.48/x
  3. Step 3: Cross multiply
    268,975.22x = 403,334.10 × 156,687.48
  4. Step 4: Simplify right side
    268,975.22x = 63,197,403,727.07
  5. Step 5: Solve for x
    x = 63,197,403,727.07/268,975.22
  6. Step 6: Final answer
    x = 234,956.23

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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.