Home / 190,921.28-286,359.68-50,690.80

Finding the Fourth Proportional to 190,921.28, 286,359.68 and 50,690.80

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Solution

The fourth proportional to 190,921.28, 286,359.68 and 50,690.80 is: 76,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,921.28 : 286,359.68 = 50,690.80 : x
  2. Step 2: Convert to fraction form
    190,921.28/286,359.68 = 50,690.80/x
  3. Step 3: Cross multiply
    190,921.28x = 286,359.68 × 50,690.80
  4. Step 4: Simplify right side
    190,921.28x = 14,515,801,266.94
  5. Step 5: Solve for x
    x = 14,515,801,266.94/190,921.28
  6. Step 6: Final answer
    x = 76,030.30

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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.