Home / 190,257.88-262,552.65-105,373.12

Finding the Fourth Proportional to 190,257.88, 262,552.65 and 105,373.12

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Solution

The fourth proportional to 190,257.88, 262,552.65 and 105,373.12 is: 145,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.88 : 262,552.65 = 105,373.12 : x
  2. Step 2: Convert to fraction form
    190,257.88/262,552.65 = 105,373.12/x
  3. Step 3: Cross multiply
    190,257.88x = 262,552.65 × 105,373.12
  4. Step 4: Simplify right side
    190,257.88x = 27,665,990,582.00
  5. Step 5: Solve for x
    x = 27,665,990,582.00/190,257.88
  6. Step 6: Final answer
    x = 145,413.12

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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.