Home / 152,765.38-229,009.56-82,562.68

Finding the Fourth Proportional to 152,765.38, 229,009.56 and 82,562.68

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Solution

The fourth proportional to 152,765.38, 229,009.56 and 82,562.68 is: 123,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,765.38 : 229,009.56 = 82,562.68 : x
  2. Step 2: Convert to fraction form
    152,765.38/229,009.56 = 82,562.68/x
  3. Step 3: Cross multiply
    152,765.38x = 229,009.56 × 82,562.68
  4. Step 4: Simplify right side
    152,765.38x = 18,907,643,019.22
  5. Step 5: Solve for x
    x = 18,907,643,019.22/152,765.38
  6. Step 6: Final answer
    x = 123,769.16

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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.