Home / 268,162.02-402,242.67-68,482.55

Finding the Fourth Proportional to 268,162.02, 402,242.67 and 68,482.55

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Solution

The fourth proportional to 268,162.02, 402,242.67 and 68,482.55 is: 102,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,162.02 : 402,242.67 = 68,482.55 : x
  2. Step 2: Convert to fraction form
    268,162.02/402,242.67 = 68,482.55/x
  3. Step 3: Cross multiply
    268,162.02x = 402,242.67 × 68,482.55
  4. Step 4: Simplify right side
    268,162.02x = 27,546,603,760.41
  5. Step 5: Solve for x
    x = 27,546,603,760.41/268,162.02
  6. Step 6: Final answer
    x = 102,723.73

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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.