Home / 212,474.25-293,477.77-154,238.04

Finding the Fourth Proportional to 212,474.25, 293,477.77 and 154,238.04

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Solution

The fourth proportional to 212,474.25, 293,477.77 and 154,238.04 is: 213,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,474.25 : 293,477.77 = 154,238.04 : x
  2. Step 2: Convert to fraction form
    212,474.25/293,477.77 = 154,238.04/x
  3. Step 3: Cross multiply
    212,474.25x = 293,477.77 × 154,238.04
  4. Step 4: Simplify right side
    212,474.25x = 45,265,435,381.70
  5. Step 5: Solve for x
    x = 45,265,435,381.70/212,474.25
  6. Step 6: Final answer
    x = 213,039.63

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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.