Home / 106,002.40-159,003.60-76,626.40

Finding the Fourth Proportional to 106,002.40, 159,003.60 and 76,626.40

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Solution

The fourth proportional to 106,002.40, 159,003.60 and 76,626.40 is: 114,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,002.40 : 159,003.60 = 76,626.40 : x
  2. Step 2: Convert to fraction form
    106,002.40/159,003.60 = 76,626.40/x
  3. Step 3: Cross multiply
    106,002.40x = 159,003.60 × 76,626.40
  4. Step 4: Simplify right side
    106,002.40x = 12,183,873,455.04
  5. Step 5: Solve for x
    x = 12,183,873,455.04/106,002.40
  6. Step 6: Final answer
    x = 114,939.60

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1.5x scale

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.