Home / 369,184.38-509,474.64-199,418.50

Finding the Fourth Proportional to 369,184.38, 509,474.64 and 199,418.50

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Solution

The fourth proportional to 369,184.38, 509,474.64 and 199,418.50 is: 275,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,184.38 : 509,474.64 = 199,418.50 : x
  2. Step 2: Convert to fraction form
    369,184.38/509,474.64 = 199,418.50/x
  3. Step 3: Cross multiply
    369,184.38x = 509,474.64 × 199,418.50
  4. Step 4: Simplify right side
    369,184.38x = 101,598,668,496.84
  5. Step 5: Solve for x
    x = 101,598,668,496.84/369,184.38
  6. Step 6: Final answer
    x = 275,197.64

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1.5x scale

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.