Home / 124,210.23-186,318.39-45,324.43

Finding the Fourth Proportional to 124,210.23, 186,318.39 and 45,324.43

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Solution

The fourth proportional to 124,210.23, 186,318.39 and 45,324.43 is: 67,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,210.23 : 186,318.39 = 45,324.43 : x
  2. Step 2: Convert to fraction form
    124,210.23/186,318.39 = 45,324.43/x
  3. Step 3: Cross multiply
    124,210.23x = 186,318.39 × 45,324.43
  4. Step 4: Simplify right side
    124,210.23x = 8,444,774,529.44
  5. Step 5: Solve for x
    x = 8,444,774,529.44/124,210.23
  6. Step 6: Final answer
    x = 67,987.76

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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.