Home / 318,201.93-439,120.31-174,971.25

Finding the Fourth Proportional to 318,201.93, 439,120.31 and 174,971.25

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Solution

The fourth proportional to 318,201.93, 439,120.31 and 174,971.25 is: 241,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,201.93 : 439,120.31 = 174,971.25 : x
  2. Step 2: Convert to fraction form
    318,201.93/439,120.31 = 174,971.25/x
  3. Step 3: Cross multiply
    318,201.93x = 439,120.31 × 174,971.25
  4. Step 4: Simplify right side
    318,201.93x = 76,833,428,666.23
  5. Step 5: Solve for x
    x = 76,833,428,666.23/318,201.93
  6. Step 6: Final answer
    x = 241,461.23

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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.