Home / 190,669.14-263,154.81-105,813.54

Finding the Fourth Proportional to 190,669.14, 263,154.81 and 105,813.54

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Solution

The fourth proportional to 190,669.14, 263,154.81 and 105,813.54 is: 146,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.14 : 263,154.81 = 105,813.54 : x
  2. Step 2: Convert to fraction form
    190,669.14/263,154.81 = 105,813.54/x
  3. Step 3: Cross multiply
    190,669.14x = 263,154.81 × 105,813.54
  4. Step 4: Simplify right side
    190,669.14x = 27,845,342,014.13
  5. Step 5: Solve for x
    x = 27,845,342,014.13/190,669.14
  6. Step 6: Final answer
    x = 146,040.11

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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.