Home / 199,530.45-275,340.99-113,477.82

Finding the Fourth Proportional to 199,530.45, 275,340.99 and 113,477.82

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Solution

The fourth proportional to 199,530.45, 275,340.99 and 113,477.82 is: 156,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530.45 : 275,340.99 = 113,477.82 : x
  2. Step 2: Convert to fraction form
    199,530.45/275,340.99 = 113,477.82/x
  3. Step 3: Cross multiply
    199,530.45x = 275,340.99 × 113,477.82
  4. Step 4: Simplify right side
    199,530.45x = 31,245,095,301.84
  5. Step 5: Solve for x
    x = 31,245,095,301.84/199,530.45
  6. Step 6: Final answer
    x = 156,593.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.