Home / 190,051.20-262,298.40-109,463.04

Finding the Fourth Proportional to 190,051.20, 262,298.40 and 109,463.04

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Solution

The fourth proportional to 190,051.20, 262,298.40 and 109,463.04 is: 151,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,051.20 : 262,298.40 = 109,463.04 : x
  2. Step 2: Convert to fraction form
    190,051.20/262,298.40 = 109,463.04/x
  3. Step 3: Cross multiply
    190,051.20x = 262,298.40 × 109,463.04
  4. Step 4: Simplify right side
    190,051.20x = 28,711,980,251.14
  5. Step 5: Solve for x
    x = 28,711,980,251.14/190,051.20
  6. Step 6: Final answer
    x = 151,074.97

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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.