Home / 268,657.14-402,971.13-81,654.06

Finding the Fourth Proportional to 268,657.14, 402,971.13 and 81,654.06

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Solution

The fourth proportional to 268,657.14, 402,971.13 and 81,654.06 is: 122,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,657.14 : 402,971.13 = 81,654.06 : x
  2. Step 2: Convert to fraction form
    268,657.14/402,971.13 = 81,654.06/x
  3. Step 3: Cross multiply
    268,657.14x = 402,971.13 × 81,654.06
  4. Step 4: Simplify right side
    268,657.14x = 32,904,228,827.29
  5. Step 5: Solve for x
    x = 32,904,228,827.29/268,657.14
  6. Step 6: Final answer
    x = 122,476.66

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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.