Home / 200,409.04-276,554.62-109,765.40

Finding the Fourth Proportional to 200,409.04, 276,554.62 and 109,765.40

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Solution

The fourth proportional to 200,409.04, 276,554.62 and 109,765.40 is: 151,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,409.04 : 276,554.62 = 109,765.40 : x
  2. Step 2: Convert to fraction form
    200,409.04/276,554.62 = 109,765.40/x
  3. Step 3: Cross multiply
    200,409.04x = 276,554.62 × 109,765.40
  4. Step 4: Simplify right side
    200,409.04x = 30,356,127,240.58
  5. Step 5: Solve for x
    x = 30,356,127,240.58/200,409.04
  6. Step 6: Final answer
    x = 151,470.85

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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.