Home / 267,368.03-368,967.89-154,190.78

Finding the Fourth Proportional to 267,368.03, 368,967.89 and 154,190.78

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Solution

The fourth proportional to 267,368.03, 368,967.89 and 154,190.78 is: 212,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,368.03 : 368,967.89 = 154,190.78 : x
  2. Step 2: Convert to fraction form
    267,368.03/368,967.89 = 154,190.78/x
  3. Step 3: Cross multiply
    267,368.03x = 368,967.89 × 154,190.78
  4. Step 4: Simplify right side
    267,368.03x = 56,891,446,905.52
  5. Step 5: Solve for x
    x = 56,891,446,905.52/267,368.03
  6. Step 6: Final answer
    x = 212,783.28

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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.