Home / 357,977.63-493,996.48-196,831.55

Finding the Fourth Proportional to 357,977.63, 493,996.48 and 196,831.55

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Solution

The fourth proportional to 357,977.63, 493,996.48 and 196,831.55 is: 271,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,977.63 : 493,996.48 = 196,831.55 : x
  2. Step 2: Convert to fraction form
    357,977.63/493,996.48 = 196,831.55/x
  3. Step 3: Cross multiply
    357,977.63x = 493,996.48 × 196,831.55
  4. Step 4: Simplify right side
    357,977.63x = 97,234,089,890.88
  5. Step 5: Solve for x
    x = 97,234,089,890.88/357,977.63
  6. Step 6: Final answer
    x = 271,620.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.