Home / 255,965.06-383,648.64-192,581.55

Finding the Fourth Proportional to 255,965.06, 383,648.64 and 192,581.55

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Solution

The fourth proportional to 255,965.06, 383,648.64 and 192,581.55 is: 288,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,965.06 : 383,648.64 = 192,581.55 : x
  2. Step 2: Convert to fraction form
    255,965.06/383,648.64 = 192,581.55/x
  3. Step 3: Cross multiply
    255,965.06x = 383,648.64 × 192,581.55
  4. Step 4: Simplify right side
    255,965.06x = 73,883,649,024.41
  5. Step 5: Solve for x
    x = 73,883,649,024.41/255,965.06
  6. Step 6: Final answer
    x = 288,647.40

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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.