Home / 190,538.40-262,924.04-109,991.87

Finding the Fourth Proportional to 190,538.40, 262,924.04 and 109,991.87

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Solution

The fourth proportional to 190,538.40, 262,924.04 and 109,991.87 is: 151,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,538.40 : 262,924.04 = 109,991.87 : x
  2. Step 2: Convert to fraction form
    190,538.40/262,924.04 = 109,991.87/x
  3. Step 3: Cross multiply
    190,538.40x = 262,924.04 × 109,991.87
  4. Step 4: Simplify right side
    190,538.40x = 28,919,506,827.55
  5. Step 5: Solve for x
    x = 28,919,506,827.55/190,538.40
  6. Step 6: Final answer
    x = 151,777.84

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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.