Home / 268,731.54-403,009.02-118,968.75

Finding the Fourth Proportional to 268,731.54, 403,009.02 and 118,968.75

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Solution

The fourth proportional to 268,731.54, 403,009.02 and 118,968.75 is: 178,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,731.54 : 403,009.02 = 118,968.75 : x
  2. Step 2: Convert to fraction form
    268,731.54/403,009.02 = 118,968.75/x
  3. Step 3: Cross multiply
    268,731.54x = 403,009.02 × 118,968.75
  4. Step 4: Simplify right side
    268,731.54x = 47,945,479,348.13
  5. Step 5: Solve for x
    x = 47,945,479,348.13/268,731.54
  6. Step 6: Final answer
    x = 178,414.04

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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.