Home / 190,597.94-263,056.65-105,742.34

Finding the Fourth Proportional to 190,597.94, 263,056.65 and 105,742.34

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Solution

The fourth proportional to 190,597.94, 263,056.65 and 105,742.34 is: 145,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,597.94 : 263,056.65 = 105,742.34 : x
  2. Step 2: Convert to fraction form
    190,597.94/263,056.65 = 105,742.34/x
  3. Step 3: Cross multiply
    190,597.94x = 263,056.65 × 105,742.34
  4. Step 4: Simplify right side
    190,597.94x = 27,816,225,723.56
  5. Step 5: Solve for x
    x = 27,816,225,723.56/190,597.94
  6. Step 6: Final answer
    x = 145,941.90

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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.