Home / 456,448.25-684,734.68-190,146.48

Finding the Fourth Proportional to 456,448.25, 684,734.68 and 190,146.48

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Solution

The fourth proportional to 456,448.25, 684,734.68 and 190,146.48 is: 285,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,448.25 : 684,734.68 = 190,146.48 : x
  2. Step 2: Convert to fraction form
    456,448.25/684,734.68 = 190,146.48/x
  3. Step 3: Cross multiply
    456,448.25x = 684,734.68 × 190,146.48
  4. Step 4: Simplify right side
    456,448.25x = 130,199,886,805.85
  5. Step 5: Solve for x
    x = 130,199,886,805.85/456,448.25
  6. Step 6: Final answer
    x = 285,245.67

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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.