Home / 318,033.15-438,913.80-174,821.10

Finding the Fourth Proportional to 318,033.15, 438,913.80 and 174,821.10

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Solution

The fourth proportional to 318,033.15, 438,913.80 and 174,821.10 is: 241,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,033.15 : 438,913.80 = 174,821.10 : x
  2. Step 2: Convert to fraction form
    318,033.15/438,913.80 = 174,821.10/x
  3. Step 3: Cross multiply
    318,033.15x = 438,913.80 × 174,821.10
  4. Step 4: Simplify right side
    318,033.15x = 76,731,393,321.18
  5. Step 5: Solve for x
    x = 76,731,393,321.18/318,033.15
  6. Step 6: Final answer
    x = 241,268.54

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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.