Home / 190,684.76-263,144.96-105,802.44

Finding the Fourth Proportional to 190,684.76, 263,144.96 and 105,802.44

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Solution

The fourth proportional to 190,684.76, 263,144.96 and 105,802.44 is: 146,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,684.76 : 263,144.96 = 105,802.44 : x
  2. Step 2: Convert to fraction form
    190,684.76/263,144.96 = 105,802.44/x
  3. Step 3: Cross multiply
    190,684.76x = 263,144.96 × 105,802.44
  4. Step 4: Simplify right side
    190,684.76x = 27,841,378,841.70
  5. Step 5: Solve for x
    x = 27,841,378,841.70/190,684.76
  6. Step 6: Final answer
    x = 146,007.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.