Home / 133,031.10-199,546.65-106,787.10

Finding the Fourth Proportional to 133,031.10, 199,546.65 and 106,787.10

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Solution

The fourth proportional to 133,031.10, 199,546.65 and 106,787.10 is: 160,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.10 : 199,546.65 = 106,787.10 : x
  2. Step 2: Convert to fraction form
    133,031.10/199,546.65 = 106,787.10/x
  3. Step 3: Cross multiply
    133,031.10x = 199,546.65 × 106,787.10
  4. Step 4: Simplify right side
    133,031.10x = 21,309,008,068.22
  5. Step 5: Solve for x
    x = 21,309,008,068.22/133,031.10
  6. Step 6: Final answer
    x = 160,180.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.