Home / 204,538.48-306,821.69-69,547.59

Finding the Fourth Proportional to 204,538.48, 306,821.69 and 69,547.59

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Solution

The fourth proportional to 204,538.48, 306,821.69 and 69,547.59 is: 104,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,538.48 : 306,821.69 = 69,547.59 : x
  2. Step 2: Convert to fraction form
    204,538.48/306,821.69 = 69,547.59/x
  3. Step 3: Cross multiply
    204,538.48x = 306,821.69 × 69,547.59
  4. Step 4: Simplify right side
    204,538.48x = 21,338,709,099.23
  5. Step 5: Solve for x
    x = 21,338,709,099.23/204,538.48
  6. Step 6: Final answer
    x = 104,326.14

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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.