Home / 489,012.06-733,439.36-133,943.04

Finding the Fourth Proportional to 489,012.06, 733,439.36 and 133,943.04

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Solution

The fourth proportional to 489,012.06, 733,439.36 and 133,943.04 is: 200,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,012.06 : 733,439.36 = 133,943.04 : x
  2. Step 2: Convert to fraction form
    489,012.06/733,439.36 = 133,943.04/x
  3. Step 3: Cross multiply
    489,012.06x = 733,439.36 × 133,943.04
  4. Step 4: Simplify right side
    489,012.06x = 98,239,097,534.05
  5. Step 5: Solve for x
    x = 98,239,097,534.05/489,012.06
  6. Step 6: Final answer
    x = 200,893.00

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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.