Home / 194,470.10-291,244.35-131,801.30

Finding the Fourth Proportional to 194,470.10, 291,244.35 and 131,801.30

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Solution

The fourth proportional to 194,470.10, 291,244.35 and 131,801.30 is: 197,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,470.10 : 291,244.35 = 131,801.30 : x
  2. Step 2: Convert to fraction form
    194,470.10/291,244.35 = 131,801.30/x
  3. Step 3: Cross multiply
    194,470.10x = 291,244.35 × 131,801.30
  4. Step 4: Simplify right side
    194,470.10x = 38,386,383,947.66
  5. Step 5: Solve for x
    x = 38,386,383,947.66/194,470.10
  6. Step 6: Final answer
    x = 197,389.64

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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.