Home / 489,186.30-733,852.35-173,616.78

Finding the Fourth Proportional to 489,186.30, 733,852.35 and 173,616.78

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Solution

The fourth proportional to 489,186.30, 733,852.35 and 173,616.78 is: 260,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,186.30 : 733,852.35 = 173,616.78 : x
  2. Step 2: Convert to fraction form
    489,186.30/733,852.35 = 173,616.78/x
  3. Step 3: Cross multiply
    489,186.30x = 733,852.35 × 173,616.78
  4. Step 4: Simplify right side
    489,186.30x = 127,409,082,002.43
  5. Step 5: Solve for x
    x = 127,409,082,002.43/489,186.30
  6. Step 6: Final answer
    x = 260,451.04

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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.