Home / 414,102.27-621,154.37-125,916.56

Finding the Fourth Proportional to 414,102.27, 621,154.37 and 125,916.56

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Solution

The fourth proportional to 414,102.27, 621,154.37 and 125,916.56 is: 188,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,102.27 : 621,154.37 = 125,916.56 : x
  2. Step 2: Convert to fraction form
    414,102.27/621,154.37 = 125,916.56/x
  3. Step 3: Cross multiply
    414,102.27x = 621,154.37 × 125,916.56
  4. Step 4: Simplify right side
    414,102.27x = 78,213,621,499.37
  5. Step 5: Solve for x
    x = 78,213,621,499.37/414,102.27
  6. Step 6: Final answer
    x = 188,875.13

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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.