Home / 190,612.84-285,784.54-83,945.96

Finding the Fourth Proportional to 190,612.84, 285,784.54 and 83,945.96

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Solution

The fourth proportional to 190,612.84, 285,784.54 and 83,945.96 is: 125,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,612.84 : 285,784.54 = 83,945.96 : x
  2. Step 2: Convert to fraction form
    190,612.84/285,784.54 = 83,945.96/x
  3. Step 3: Cross multiply
    190,612.84x = 285,784.54 × 83,945.96
  4. Step 4: Simplify right side
    190,612.84x = 23,990,457,563.46
  5. Step 5: Solve for x
    x = 23,990,457,563.46/190,612.84
  6. Step 6: Final answer
    x = 125,859.61

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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.