Home / 124,418.16-186,647.76-45,642.96

Finding the Fourth Proportional to 124,418.16, 186,647.76 and 45,642.96

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Solution

The fourth proportional to 124,418.16, 186,647.76 and 45,642.96 is: 68,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418.16 : 186,647.76 = 45,642.96 : x
  2. Step 2: Convert to fraction form
    124,418.16/186,647.76 = 45,642.96/x
  3. Step 3: Cross multiply
    124,418.16x = 186,647.76 × 45,642.96
  4. Step 4: Simplify right side
    124,418.16x = 8,519,156,243.77
  5. Step 5: Solve for x
    x = 8,519,156,243.77/124,418.16
  6. Step 6: Final answer
    x = 68,471.97

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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.