Home / 190,688.76-263,150.64-105,805.76

Finding the Fourth Proportional to 190,688.76, 263,150.64 and 105,805.76

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Solution

The fourth proportional to 190,688.76, 263,150.64 and 105,805.76 is: 146,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,688.76 : 263,150.64 = 105,805.76 : x
  2. Step 2: Convert to fraction form
    190,688.76/263,150.64 = 105,805.76/x
  3. Step 3: Cross multiply
    190,688.76x = 263,150.64 × 105,805.76
  4. Step 4: Simplify right side
    190,688.76x = 27,842,852,143.93
  5. Step 5: Solve for x
    x = 27,842,852,143.93/190,688.76
  6. Step 6: Final answer
    x = 146,012.03

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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.