Home / 146,890.86-202,708.89-83,240.79

Finding the Fourth Proportional to 146,890.86, 202,708.89 and 83,240.79

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Solution

The fourth proportional to 146,890.86, 202,708.89 and 83,240.79 is: 114,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,890.86 : 202,708.89 = 83,240.79 : x
  2. Step 2: Convert to fraction form
    146,890.86/202,708.89 = 83,240.79/x
  3. Step 3: Cross multiply
    146,890.86x = 202,708.89 × 83,240.79
  4. Step 4: Simplify right side
    146,890.86x = 16,873,648,143.62
  5. Step 5: Solve for x
    x = 16,873,648,143.62/146,890.86
  6. Step 6: Final answer
    x = 114,872.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.