Home / 190,721.71-286,087.43-57,606.31

Finding the Fourth Proportional to 190,721.71, 286,087.43 and 57,606.31

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Solution

The fourth proportional to 190,721.71, 286,087.43 and 57,606.31 is: 86,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,721.71 : 286,087.43 = 57,606.31 : x
  2. Step 2: Convert to fraction form
    190,721.71/286,087.43 = 57,606.31/x
  3. Step 3: Cross multiply
    190,721.71x = 286,087.43 × 57,606.31
  4. Step 4: Simplify right side
    190,721.71x = 16,480,441,179.68
  5. Step 5: Solve for x
    x = 16,480,441,179.68/190,721.71
  6. Step 6: Final answer
    x = 86,410.93

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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.