Home / 194,406.40-268,296.78-109,529.20

Finding the Fourth Proportional to 194,406.40, 268,296.78 and 109,529.20

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Solution

The fourth proportional to 194,406.40, 268,296.78 and 109,529.20 is: 151,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,406.40 : 268,296.78 = 109,529.20 : x
  2. Step 2: Convert to fraction form
    194,406.40/268,296.78 = 109,529.20/x
  3. Step 3: Cross multiply
    194,406.40x = 268,296.78 × 109,529.20
  4. Step 4: Simplify right side
    194,406.40x = 29,386,331,675.98
  5. Step 5: Solve for x
    x = 29,386,331,675.98/194,406.40
  6. Step 6: Final answer
    x = 151,159.28

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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.