Home / 351,148.56-484,581.38-190,000.05

Finding the Fourth Proportional to 351,148.56, 484,581.38 and 190,000.05

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Solution

The fourth proportional to 351,148.56, 484,581.38 and 190,000.05 is: 262,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.56 : 484,581.38 = 190,000.05 : x
  2. Step 2: Convert to fraction form
    351,148.56/484,581.38 = 190,000.05/x
  3. Step 3: Cross multiply
    351,148.56x = 484,581.38 × 190,000.05
  4. Step 4: Simplify right side
    351,148.56x = 92,070,485,479.07
  5. Step 5: Solve for x
    x = 92,070,485,479.07/351,148.56
  6. Step 6: Final answer
    x = 262,198.10

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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.