Home / 267,370.03-368,970.65-154,192.78

Finding the Fourth Proportional to 267,370.03, 368,970.65 and 154,192.78

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Solution

The fourth proportional to 267,370.03, 368,970.65 and 154,192.78 is: 212,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,370.03 : 368,970.65 = 154,192.78 : x
  2. Step 2: Convert to fraction form
    267,370.03/368,970.65 = 154,192.78/x
  3. Step 3: Cross multiply
    267,370.03x = 368,970.65 × 154,192.78
  4. Step 4: Simplify right side
    267,370.03x = 56,892,610,261.91
  5. Step 5: Solve for x
    x = 56,892,610,261.91/267,370.03
  6. Step 6: Final answer
    x = 212,786.04

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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.