Home / 190,904.70-285,773.85-148,914.30

Finding the Fourth Proportional to 190,904.70, 285,773.85 and 148,914.30

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Solution

The fourth proportional to 190,904.70, 285,773.85 and 148,914.30 is: 222,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.70 : 285,773.85 = 148,914.30 : x
  2. Step 2: Convert to fraction form
    190,904.70/285,773.85 = 148,914.30/x
  3. Step 3: Cross multiply
    190,904.70x = 285,773.85 × 148,914.30
  4. Step 4: Simplify right side
    190,904.70x = 42,555,812,831.06
  5. Step 5: Solve for x
    x = 42,555,812,831.06/190,904.70
  6. Step 6: Final answer
    x = 222,916.53

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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.