Home / 317,962.23-438,791.37-174,722.31

Finding the Fourth Proportional to 317,962.23, 438,791.37 and 174,722.31

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Solution

The fourth proportional to 317,962.23, 438,791.37 and 174,722.31 is: 241,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,962.23 : 438,791.37 = 174,722.31 : x
  2. Step 2: Convert to fraction form
    317,962.23/438,791.37 = 174,722.31/x
  3. Step 3: Cross multiply
    317,962.23x = 438,791.37 × 174,722.31
  4. Step 4: Simplify right side
    317,962.23x = 76,666,641,774.46
  5. Step 5: Solve for x
    x = 76,666,641,774.46/317,962.23
  6. Step 6: Final answer
    x = 241,118.71

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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.