Home / 441,619.40-662,429.10-109,195.40

Finding the Fourth Proportional to 441,619.40, 662,429.10 and 109,195.40

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Solution

The fourth proportional to 441,619.40, 662,429.10 and 109,195.40 is: 163,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,619.40 : 662,429.10 = 109,195.40 : x
  2. Step 2: Convert to fraction form
    441,619.40/662,429.10 = 109,195.40/x
  3. Step 3: Cross multiply
    441,619.40x = 662,429.10 × 109,195.40
  4. Step 4: Simplify right side
    441,619.40x = 72,334,210,546.14
  5. Step 5: Solve for x
    x = 72,334,210,546.14/441,619.40
  6. Step 6: Final answer
    x = 163,793.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.