Home / 204,579.52-306,870.09-71,459.26

Finding the Fourth Proportional to 204,579.52, 306,870.09 and 71,459.26

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Solution

The fourth proportional to 204,579.52, 306,870.09 and 71,459.26 is: 107,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,579.52 : 306,870.09 = 71,459.26 : x
  2. Step 2: Convert to fraction form
    204,579.52/306,870.09 = 71,459.26/x
  3. Step 3: Cross multiply
    204,579.52x = 306,870.09 × 71,459.26
  4. Step 4: Simplify right side
    204,579.52x = 21,928,709,547.53
  5. Step 5: Solve for x
    x = 21,928,709,547.53/204,579.52
  6. Step 6: Final answer
    x = 107,189.17

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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.