Home / 414,117.45-621,189.97-114,572.95

Finding the Fourth Proportional to 414,117.45, 621,189.97 and 114,572.95

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Solution

The fourth proportional to 414,117.45, 621,189.97 and 114,572.95 is: 171,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,117.45 : 621,189.97 = 114,572.95 : x
  2. Step 2: Convert to fraction form
    414,117.45/621,189.97 = 114,572.95/x
  3. Step 3: Cross multiply
    414,117.45x = 621,189.97 × 114,572.95
  4. Step 4: Simplify right side
    414,117.45x = 71,171,565,533.90
  5. Step 5: Solve for x
    x = 71,171,565,533.90/414,117.45
  6. Step 6: Final answer
    x = 171,863.24

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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.