Home / 199,636.08-299,501.78-66,517.49

Finding the Fourth Proportional to 199,636.08, 299,501.78 and 66,517.49

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Solution

The fourth proportional to 199,636.08, 299,501.78 and 66,517.49 is: 99,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,636.08 : 299,501.78 = 66,517.49 : x
  2. Step 2: Convert to fraction form
    199,636.08/299,501.78 = 66,517.49/x
  3. Step 3: Cross multiply
    199,636.08x = 299,501.78 × 66,517.49
  4. Step 4: Simplify right side
    199,636.08x = 19,922,104,826.04
  5. Step 5: Solve for x
    x = 19,922,104,826.04/199,636.08
  6. Step 6: Final answer
    x = 99,792.11

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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.