Home / 146,335.57-219,541.22-45,131.38

Finding the Fourth Proportional to 146,335.57, 219,541.22 and 45,131.38

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Solution

The fourth proportional to 146,335.57, 219,541.22 and 45,131.38 is: 67,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,335.57 : 219,541.22 = 45,131.38 : x
  2. Step 2: Convert to fraction form
    146,335.57/219,541.22 = 45,131.38/x
  3. Step 3: Cross multiply
    146,335.57x = 219,541.22 × 45,131.38
  4. Step 4: Simplify right side
    146,335.57x = 9,908,198,225.48
  5. Step 5: Solve for x
    x = 9,908,198,225.48/146,335.57
  6. Step 6: Final answer
    x = 67,708.75

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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.