Home / 355,334.22-490,347.27-194,191.20

Finding the Fourth Proportional to 355,334.22, 490,347.27 and 194,191.20

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Solution

The fourth proportional to 355,334.22, 490,347.27 and 194,191.20 is: 267,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,334.22 : 490,347.27 = 194,191.20 : x
  2. Step 2: Convert to fraction form
    355,334.22/490,347.27 = 194,191.20/x
  3. Step 3: Cross multiply
    355,334.22x = 490,347.27 × 194,191.20
  4. Step 4: Simplify right side
    355,334.22x = 95,221,124,778.02
  5. Step 5: Solve for x
    x = 95,221,124,778.02/355,334.22
  6. Step 6: Final answer
    x = 267,976.23

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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.