Home / 190,534.70-285,861.54-114,716.36

Finding the Fourth Proportional to 190,534.70, 285,861.54 and 114,716.36

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Solution

The fourth proportional to 190,534.70, 285,861.54 and 114,716.36 is: 172,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,534.70 : 285,861.54 = 114,716.36 : x
  2. Step 2: Convert to fraction form
    190,534.70/285,861.54 = 114,716.36/x
  3. Step 3: Cross multiply
    190,534.70x = 285,861.54 × 114,716.36
  4. Step 4: Simplify right side
    190,534.70x = 32,792,995,332.79
  5. Step 5: Solve for x
    x = 32,792,995,332.79/190,534.70
  6. Step 6: Final answer
    x = 172,110.36

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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.