Home / 309,623.60-464,435.40-185,207.60

Finding the Fourth Proportional to 309,623.60, 464,435.40 and 185,207.60

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Solution

The fourth proportional to 309,623.60, 464,435.40 and 185,207.60 is: 277,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,623.60 : 464,435.40 = 185,207.60 : x
  2. Step 2: Convert to fraction form
    309,623.60/464,435.40 = 185,207.60/x
  3. Step 3: Cross multiply
    309,623.60x = 464,435.40 × 185,207.60
  4. Step 4: Simplify right side
    309,623.60x = 86,016,965,789.04
  5. Step 5: Solve for x
    x = 86,016,965,789.04/309,623.60
  6. Step 6: Final answer
    x = 277,811.40

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Similar ratio
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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.