Home / 124,201.48-186,305.29-45,315.70

Finding the Fourth Proportional to 124,201.48, 186,305.29 and 45,315.70

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Solution

The fourth proportional to 124,201.48, 186,305.29 and 45,315.70 is: 67,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201.48 : 186,305.29 = 45,315.70 : x
  2. Step 2: Convert to fraction form
    124,201.48/186,305.29 = 45,315.70/x
  3. Step 3: Cross multiply
    124,201.48x = 186,305.29 × 45,315.70
  4. Step 4: Simplify right side
    124,201.48x = 8,442,555,226.42
  5. Step 5: Solve for x
    x = 8,442,555,226.42/124,201.48
  6. Step 6: Final answer
    x = 67,974.68

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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.