Home / 317,924.20-438,773.54-190,669.80

Finding the Fourth Proportional to 317,924.20, 438,773.54 and 190,669.80

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Solution

The fourth proportional to 317,924.20, 438,773.54 and 190,669.80 is: 263,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,924.20 : 438,773.54 = 190,669.80 : x
  2. Step 2: Convert to fraction form
    317,924.20/438,773.54 = 190,669.80/x
  3. Step 3: Cross multiply
    317,924.20x = 438,773.54 × 190,669.80
  4. Step 4: Simplify right side
    317,924.20x = 83,660,863,117.09
  5. Step 5: Solve for x
    x = 83,660,863,117.09/317,924.20
  6. Step 6: Final answer
    x = 263,147.20

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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.