Home / 190,707.68-263,180.88-105,823.52

Finding the Fourth Proportional to 190,707.68, 263,180.88 and 105,823.52

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Solution

The fourth proportional to 190,707.68, 263,180.88 and 105,823.52 is: 146,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,707.68 : 263,180.88 = 105,823.52 : x
  2. Step 2: Convert to fraction form
    190,707.68/263,180.88 = 105,823.52/x
  3. Step 3: Cross multiply
    190,707.68x = 263,180.88 × 105,823.52
  4. Step 4: Simplify right side
    190,707.68x = 27,850,727,118.30
  5. Step 5: Solve for x
    x = 27,850,727,118.30/190,707.68
  6. Step 6: Final answer
    x = 146,038.83

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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.