Home / 190,978.97-286,188.06-96,078.71

Finding the Fourth Proportional to 190,978.97, 286,188.06 and 96,078.71

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Solution

The fourth proportional to 190,978.97, 286,188.06 and 96,078.71 is: 143,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,978.97 : 286,188.06 = 96,078.71 : x
  2. Step 2: Convert to fraction form
    190,978.97/286,188.06 = 96,078.71/x
  3. Step 3: Cross multiply
    190,978.97x = 286,188.06 × 96,078.71
  4. Step 4: Simplify right side
    190,978.97x = 27,496,579,622.20
  5. Step 5: Solve for x
    x = 27,496,579,622.20/190,978.97
  6. Step 6: Final answer
    x = 143,977.00

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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.