Home / 219,538.74-329,083.79-124,568.30

Finding the Fourth Proportional to 219,538.74, 329,083.79 and 124,568.30

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Solution

The fourth proportional to 219,538.74, 329,083.79 and 124,568.30 is: 186,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.74 : 329,083.79 = 124,568.30 : x
  2. Step 2: Convert to fraction form
    219,538.74/329,083.79 = 124,568.30/x
  3. Step 3: Cross multiply
    219,538.74x = 329,083.79 × 124,568.30
  4. Step 4: Simplify right side
    219,538.74x = 40,993,406,009.60
  5. Step 5: Solve for x
    x = 40,993,406,009.60/219,538.74
  6. Step 6: Final answer
    x = 186,725.16

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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.