Home / 317,788.50-438,555.02-174,556.41

Finding the Fourth Proportional to 317,788.50, 438,555.02 and 174,556.41

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Solution

The fourth proportional to 317,788.50, 438,555.02 and 174,556.41 is: 240,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,788.50 : 438,555.02 = 174,556.41 : x
  2. Step 2: Convert to fraction form
    317,788.50/438,555.02 = 174,556.41/x
  3. Step 3: Cross multiply
    317,788.50x = 438,555.02 × 174,556.41
  4. Step 4: Simplify right side
    317,788.50x = 76,552,589,878.68
  5. Step 5: Solve for x
    x = 76,552,589,878.68/317,788.50
  6. Step 6: Final answer
    x = 240,891.63

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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.