Home / 190,731.96-286,149.54-57,616.56

Finding the Fourth Proportional to 190,731.96, 286,149.54 and 57,616.56

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Solution

The fourth proportional to 190,731.96, 286,149.54 and 57,616.56 is: 86,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,731.96 : 286,149.54 = 57,616.56 : x
  2. Step 2: Convert to fraction form
    190,731.96/286,149.54 = 57,616.56/x
  3. Step 3: Cross multiply
    190,731.96x = 286,149.54 × 57,616.56
  4. Step 4: Simplify right side
    190,731.96x = 16,486,952,140.38
  5. Step 5: Solve for x
    x = 16,486,952,140.38/190,731.96
  6. Step 6: Final answer
    x = 86,440.43

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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.