Home / 164,370.67-246,182.33-128,609.12

Finding the Fourth Proportional to 164,370.67, 246,182.33 and 128,609.12

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Solution

The fourth proportional to 164,370.67, 246,182.33 and 128,609.12 is: 192,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,370.67 : 246,182.33 = 128,609.12 : x
  2. Step 2: Convert to fraction form
    164,370.67/246,182.33 = 128,609.12/x
  3. Step 3: Cross multiply
    164,370.67x = 246,182.33 × 128,609.12
  4. Step 4: Simplify right side
    164,370.67x = 31,661,293,757.83
  5. Step 5: Solve for x
    x = 31,661,293,757.83/164,370.67
  6. Step 6: Final answer
    x = 192,621.31

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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.