Home / 274,654.41-379,055.43-153,772.34

Finding the Fourth Proportional to 274,654.41, 379,055.43 and 153,772.34

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Solution

The fourth proportional to 274,654.41, 379,055.43 and 153,772.34 is: 212,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,654.41 : 379,055.43 = 153,772.34 : x
  2. Step 2: Convert to fraction form
    274,654.41/379,055.43 = 153,772.34/x
  3. Step 3: Cross multiply
    274,654.41x = 379,055.43 × 153,772.34
  4. Step 4: Simplify right side
    274,654.41x = 58,288,238,565.53
  5. Step 5: Solve for x
    x = 58,288,238,565.53/274,654.41
  6. Step 6: Final answer
    x = 212,223.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.