Home / 212,165.64-292,796.18-116,679.72

Finding the Fourth Proportional to 212,165.64, 292,796.18 and 116,679.72

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Solution

The fourth proportional to 212,165.64, 292,796.18 and 116,679.72 is: 161,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,165.64 : 292,796.18 = 116,679.72 : x
  2. Step 2: Convert to fraction form
    212,165.64/292,796.18 = 116,679.72/x
  3. Step 3: Cross multiply
    212,165.64x = 292,796.18 × 116,679.72
  4. Step 4: Simplify right side
    212,165.64x = 34,163,376,299.47
  5. Step 5: Solve for x
    x = 34,163,376,299.47/212,165.64
  6. Step 6: Final answer
    x = 161,022.19

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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.