Home / 146,769.40-202,642.86-108,537.40

Finding the Fourth Proportional to 146,769.40, 202,642.86 and 108,537.40

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Solution

The fourth proportional to 146,769.40, 202,642.86 and 108,537.40 is: 149,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,769.40 : 202,642.86 = 108,537.40 : x
  2. Step 2: Convert to fraction form
    146,769.40/202,642.86 = 108,537.40/x
  3. Step 3: Cross multiply
    146,769.40x = 202,642.86 × 108,537.40
  4. Step 4: Simplify right side
    146,769.40x = 21,994,329,152.96
  5. Step 5: Solve for x
    x = 21,994,329,152.96/146,769.40
  6. Step 6: Final answer
    x = 149,856.37

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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.