Home / 268,740.18-403,194.51-111,042.90

Finding the Fourth Proportional to 268,740.18, 403,194.51 and 111,042.90

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Solution

The fourth proportional to 268,740.18, 403,194.51 and 111,042.90 is: 166,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,740.18 : 403,194.51 = 111,042.90 : x
  2. Step 2: Convert to fraction form
    268,740.18/403,194.51 = 111,042.90/x
  3. Step 3: Cross multiply
    268,740.18x = 403,194.51 × 111,042.90
  4. Step 4: Simplify right side
    268,740.18x = 44,771,887,654.48
  5. Step 5: Solve for x
    x = 44,771,887,654.48/268,740.18
  6. Step 6: Final answer
    x = 166,599.16

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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.