Home / 450,112.20-675,081.90-134,579.40

Finding the Fourth Proportional to 450,112.20, 675,081.90 and 134,579.40

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Solution

The fourth proportional to 450,112.20, 675,081.90 and 134,579.40 is: 201,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,112.20 : 675,081.90 = 134,579.40 : x
  2. Step 2: Convert to fraction form
    450,112.20/675,081.90 = 134,579.40/x
  3. Step 3: Cross multiply
    450,112.20x = 675,081.90 × 134,579.40
  4. Step 4: Simplify right side
    450,112.20x = 90,852,117,052.86
  5. Step 5: Solve for x
    x = 90,852,117,052.86/450,112.20
  6. Step 6: Final answer
    x = 201,843.27

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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.