Home / 199,772.49-299,670.26-75,114.57

Finding the Fourth Proportional to 199,772.49, 299,670.26 and 75,114.57

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Solution

The fourth proportional to 199,772.49, 299,670.26 and 75,114.57 is: 112,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,772.49 : 299,670.26 = 75,114.57 : x
  2. Step 2: Convert to fraction form
    199,772.49/299,670.26 = 75,114.57/x
  3. Step 3: Cross multiply
    199,772.49x = 299,670.26 × 75,114.57
  4. Step 4: Simplify right side
    199,772.49x = 22,509,602,346.12
  5. Step 5: Solve for x
    x = 22,509,602,346.12/199,772.49
  6. Step 6: Final answer
    x = 112,676.19

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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.