Home / 190,930.88-286,374.36-50,700.80

Finding the Fourth Proportional to 190,930.88, 286,374.36 and 50,700.80

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Solution

The fourth proportional to 190,930.88, 286,374.36 and 50,700.80 is: 76,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.88 : 286,374.36 = 50,700.80 : x
  2. Step 2: Convert to fraction form
    190,930.88/286,374.36 = 50,700.80/x
  3. Step 3: Cross multiply
    190,930.88x = 286,374.36 × 50,700.80
  4. Step 4: Simplify right side
    190,930.88x = 14,519,409,151.49
  5. Step 5: Solve for x
    x = 14,519,409,151.49/190,930.88
  6. Step 6: Final answer
    x = 76,045.37

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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.