Home / 414,196.20-621,002.70-189,664.20

Finding the Fourth Proportional to 414,196.20, 621,002.70 and 189,664.20

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Solution

The fourth proportional to 414,196.20, 621,002.70 and 189,664.20 is: 284,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,196.20 : 621,002.70 = 189,664.20 : x
  2. Step 2: Convert to fraction form
    414,196.20/621,002.70 = 189,664.20/x
  3. Step 3: Cross multiply
    414,196.20x = 621,002.70 × 189,664.20
  4. Step 4: Simplify right side
    414,196.20x = 117,781,980,293.34
  5. Step 5: Solve for x
    x = 117,781,980,293.34/414,196.20
  6. Step 6: Final answer
    x = 284,362.77

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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.