Home / 317,751.03-438,517.89-174,512.57

Finding the Fourth Proportional to 317,751.03, 438,517.89 and 174,512.57

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Solution

The fourth proportional to 317,751.03, 438,517.89 and 174,512.57 is: 240,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,751.03 : 438,517.89 = 174,512.57 : x
  2. Step 2: Convert to fraction form
    317,751.03/438,517.89 = 174,512.57/x
  3. Step 3: Cross multiply
    317,751.03x = 438,517.89 × 174,512.57
  4. Step 4: Simplify right side
    317,751.03x = 76,526,881,782.29
  5. Step 5: Solve for x
    x = 76,526,881,782.29/317,751.03
  6. Step 6: Final answer
    x = 240,839.13

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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.