Home / 212,276.88-292,949.28-116,787.60

Finding the Fourth Proportional to 212,276.88, 292,949.28 and 116,787.60

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Solution

The fourth proportional to 212,276.88, 292,949.28 and 116,787.60 is: 161,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,276.88 : 292,949.28 = 116,787.60 : x
  2. Step 2: Convert to fraction form
    212,276.88/292,949.28 = 116,787.60/x
  3. Step 3: Cross multiply
    212,276.88x = 292,949.28 × 116,787.60
  4. Step 4: Simplify right side
    212,276.88x = 34,212,843,332.93
  5. Step 5: Solve for x
    x = 34,212,843,332.93/212,276.88
  6. Step 6: Final answer
    x = 161,170.84

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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.