Home / 351,795.85-485,478.69-190,650.89

Finding the Fourth Proportional to 351,795.85, 485,478.69 and 190,650.89

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Solution

The fourth proportional to 351,795.85, 485,478.69 and 190,650.89 is: 263,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,795.85 : 485,478.69 = 190,650.89 : x
  2. Step 2: Convert to fraction form
    351,795.85/485,478.69 = 190,650.89/x
  3. Step 3: Cross multiply
    351,795.85x = 485,478.69 × 190,650.89
  4. Step 4: Simplify right side
    351,795.85x = 92,556,944,823.29
  5. Step 5: Solve for x
    x = 92,556,944,823.29/351,795.85
  6. Step 6: Final answer
    x = 263,098.46

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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.