Home / 190,371.15-285,529.05-50,129.64

Finding the Fourth Proportional to 190,371.15, 285,529.05 and 50,129.64

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Solution

The fourth proportional to 190,371.15, 285,529.05 and 50,129.64 is: 75,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,371.15 : 285,529.05 = 50,129.64 : x
  2. Step 2: Convert to fraction form
    190,371.15/285,529.05 = 50,129.64/x
  3. Step 3: Cross multiply
    190,371.15x = 285,529.05 × 50,129.64
  4. Step 4: Simplify right side
    190,371.15x = 14,313,468,486.04
  5. Step 5: Solve for x
    x = 14,313,468,486.04/190,371.15
  6. Step 6: Final answer
    x = 75,187.17

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1.5x scale

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.