Home / 462,719.78-694,161.98-163,374.15

Finding the Fourth Proportional to 462,719.78, 694,161.98 and 163,374.15

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Solution

The fourth proportional to 462,719.78, 694,161.98 and 163,374.15 is: 245,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,719.78 : 694,161.98 = 163,374.15 : x
  2. Step 2: Convert to fraction form
    462,719.78/694,161.98 = 163,374.15/x
  3. Step 3: Cross multiply
    462,719.78x = 694,161.98 × 163,374.15
  4. Step 4: Simplify right side
    462,719.78x = 113,408,123,444.82
  5. Step 5: Solve for x
    x = 113,408,123,444.82/462,719.78
  6. Step 6: Final answer
    x = 245,090.29

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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.