Home / 351,810.32-485,498.09-190,665.35

Finding the Fourth Proportional to 351,810.32, 485,498.09 and 190,665.35

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Solution

The fourth proportional to 351,810.32, 485,498.09 and 190,665.35 is: 263,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,810.32 : 485,498.09 = 190,665.35 : x
  2. Step 2: Convert to fraction form
    351,810.32/485,498.09 = 190,665.35/x
  3. Step 3: Cross multiply
    351,810.32x = 485,498.09 × 190,665.35
  4. Step 4: Simplify right side
    351,810.32x = 92,567,659,873.36
  5. Step 5: Solve for x
    x = 92,567,659,873.36/351,810.32
  6. Step 6: Final answer
    x = 263,118.09

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1.5x scale

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.