Home / 190,760.88-286,143.30-57,642.24

Finding the Fourth Proportional to 190,760.88, 286,143.30 and 57,642.24

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Solution

The fourth proportional to 190,760.88, 286,143.30 and 57,642.24 is: 86,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,760.88 : 286,143.30 = 57,642.24 : x
  2. Step 2: Convert to fraction form
    190,760.88/286,143.30 = 57,642.24/x
  3. Step 3: Cross multiply
    190,760.88x = 286,143.30 × 57,642.24
  4. Step 4: Simplify right side
    190,760.88x = 16,493,940,772.99
  5. Step 5: Solve for x
    x = 16,493,940,772.99/190,760.88
  6. Step 6: Final answer
    x = 86,463.96

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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.