Home / 190,206.60-285,107.58-71,827.56

Finding the Fourth Proportional to 190,206.60, 285,107.58 and 71,827.56

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Solution

The fourth proportional to 190,206.60, 285,107.58 and 71,827.56 is: 107,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.60 : 285,107.58 = 71,827.56 : x
  2. Step 2: Convert to fraction form
    190,206.60/285,107.58 = 71,827.56/x
  3. Step 3: Cross multiply
    190,206.60x = 285,107.58 × 71,827.56
  4. Step 4: Simplify right side
    190,206.60x = 20,478,581,808.90
  5. Step 5: Solve for x
    x = 20,478,581,808.90/190,206.60
  6. Step 6: Final answer
    x = 107,664.94

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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.