Home / 317,603.22-438,293.18-174,372.48

Finding the Fourth Proportional to 317,603.22, 438,293.18 and 174,372.48

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Solution

The fourth proportional to 317,603.22, 438,293.18 and 174,372.48 is: 240,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,603.22 : 438,293.18 = 174,372.48 : x
  2. Step 2: Convert to fraction form
    317,603.22/438,293.18 = 174,372.48/x
  3. Step 3: Cross multiply
    317,603.22x = 438,293.18 × 174,372.48
  4. Step 4: Simplify right side
    317,603.22x = 76,426,269,199.62
  5. Step 5: Solve for x
    x = 76,426,269,199.62/317,603.22
  6. Step 6: Final answer
    x = 240,634.43

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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.