Home / 190,565.44-262,971.30-105,680.68

Finding the Fourth Proportional to 190,565.44, 262,971.30 and 105,680.68

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Solution

The fourth proportional to 190,565.44, 262,971.30 and 105,680.68 is: 145,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,565.44 : 262,971.30 = 105,680.68 : x
  2. Step 2: Convert to fraction form
    190,565.44/262,971.30 = 105,680.68/x
  3. Step 3: Cross multiply
    190,565.44x = 262,971.30 × 105,680.68
  4. Step 4: Simplify right side
    190,565.44x = 27,790,985,804.48
  5. Step 5: Solve for x
    x = 27,790,985,804.48/190,565.44
  6. Step 6: Final answer
    x = 145,834.34

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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.