Home / 212,787.39-293,644.83-115,989.48

Finding the Fourth Proportional to 212,787.39, 293,644.83 and 115,989.48

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Solution

The fourth proportional to 212,787.39, 293,644.83 and 115,989.48 is: 160,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.39 : 293,644.83 = 115,989.48 : x
  2. Step 2: Convert to fraction form
    212,787.39/293,644.83 = 115,989.48/x
  3. Step 3: Cross multiply
    212,787.39x = 293,644.83 × 115,989.48
  4. Step 4: Simplify right side
    212,787.39x = 34,059,711,136.39
  5. Step 5: Solve for x
    x = 34,059,711,136.39/212,787.39
  6. Step 6: Final answer
    x = 160,064.52

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1.5x scale

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.