Home / 190,842.30-286,308.41-57,723.66

Finding the Fourth Proportional to 190,842.30, 286,308.41 and 57,723.66

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Solution

The fourth proportional to 190,842.30, 286,308.41 and 57,723.66 is: 86,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,842.30 : 286,308.41 = 57,723.66 : x
  2. Step 2: Convert to fraction form
    190,842.30/286,308.41 = 57,723.66/x
  3. Step 3: Cross multiply
    190,842.30x = 286,308.41 × 57,723.66
  4. Step 4: Simplify right side
    190,842.30x = 16,526,769,313.98
  5. Step 5: Solve for x
    x = 16,526,769,313.98/190,842.30
  6. Step 6: Final answer
    x = 86,599.09

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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.