Home / 190,387.42-262,734.62-105,504.48

Finding the Fourth Proportional to 190,387.42, 262,734.62 and 105,504.48

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Solution

The fourth proportional to 190,387.42, 262,734.62 and 105,504.48 is: 145,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,387.42 : 262,734.62 = 105,504.48 : x
  2. Step 2: Convert to fraction form
    190,387.42/262,734.62 = 105,504.48/x
  3. Step 3: Cross multiply
    190,387.42x = 262,734.62 × 105,504.48
  4. Step 4: Simplify right side
    190,387.42x = 27,719,678,933.58
  5. Step 5: Solve for x
    x = 27,719,678,933.58/190,387.42
  6. Step 6: Final answer
    x = 145,596.17

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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.