Home / 489,129.10-733,912.35-173,812.30

Finding the Fourth Proportional to 489,129.10, 733,912.35 and 173,812.30

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Solution

The fourth proportional to 489,129.10, 733,912.35 and 173,812.30 is: 260,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,129.10 : 733,912.35 = 173,812.30 : x
  2. Step 2: Convert to fraction form
    489,129.10/733,912.35 = 173,812.30/x
  3. Step 3: Cross multiply
    489,129.10x = 733,912.35 × 173,812.30
  4. Step 4: Simplify right side
    489,129.10x = 127,562,993,551.91
  5. Step 5: Solve for x
    x = 127,562,993,551.91/489,129.10
  6. Step 6: Final answer
    x = 260,796.17

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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.