Home / 190,921.36-286,359.60-50,690.80

Finding the Fourth Proportional to 190,921.36, 286,359.60 and 50,690.80

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Solution

The fourth proportional to 190,921.36, 286,359.60 and 50,690.80 is: 76,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,921.36 : 286,359.60 = 50,690.80 : x
  2. Step 2: Convert to fraction form
    190,921.36/286,359.60 = 50,690.80/x
  3. Step 3: Cross multiply
    190,921.36x = 286,359.60 × 50,690.80
  4. Step 4: Simplify right side
    190,921.36x = 14,515,797,211.68
  5. Step 5: Solve for x
    x = 14,515,797,211.68/190,921.36
  6. Step 6: Final answer
    x = 76,030.24

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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.