Home / 212,822.83-293,706.37-117,329.30

Finding the Fourth Proportional to 212,822.83, 293,706.37 and 117,329.30

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Solution

The fourth proportional to 212,822.83, 293,706.37 and 117,329.30 is: 161,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,822.83 : 293,706.37 = 117,329.30 : x
  2. Step 2: Convert to fraction form
    212,822.83/293,706.37 = 117,329.30/x
  3. Step 3: Cross multiply
    212,822.83x = 293,706.37 × 117,329.30
  4. Step 4: Simplify right side
    212,822.83x = 34,460,362,797.64
  5. Step 5: Solve for x
    x = 34,460,362,797.64/212,822.83
  6. Step 6: Final answer
    x = 161,920.42

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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.