Home / 489,172.12-733,759.26-134,191.24

Finding the Fourth Proportional to 489,172.12, 733,759.26 and 134,191.24

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Solution

The fourth proportional to 489,172.12, 733,759.26 and 134,191.24 is: 201,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,172.12 : 733,759.26 = 134,191.24 : x
  2. Step 2: Convert to fraction form
    489,172.12/733,759.26 = 134,191.24/x
  3. Step 3: Cross multiply
    489,172.12x = 733,759.26 × 134,191.24
  4. Step 4: Simplify right side
    489,172.12x = 98,464,064,960.88
  5. Step 5: Solve for x
    x = 98,464,064,960.88/489,172.12
  6. Step 6: Final answer
    x = 201,287.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.