Home / 350,824.77-484,137.79-189,679.43

Finding the Fourth Proportional to 350,824.77, 484,137.79 and 189,679.43

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Solution

The fourth proportional to 350,824.77, 484,137.79 and 189,679.43 is: 261,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,824.77 : 484,137.79 = 189,679.43 : x
  2. Step 2: Convert to fraction form
    350,824.77/484,137.79 = 189,679.43/x
  3. Step 3: Cross multiply
    350,824.77x = 484,137.79 × 189,679.43
  4. Step 4: Simplify right side
    350,824.77x = 91,830,980,784.81
  5. Step 5: Solve for x
    x = 91,830,980,784.81/350,824.77
  6. Step 6: Final answer
    x = 261,757.40

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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.