Home / 298,390.03-411,777.78-162,423.55

Finding the Fourth Proportional to 298,390.03, 411,777.78 and 162,423.55

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Solution

The fourth proportional to 298,390.03, 411,777.78 and 162,423.55 is: 224,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,390.03 : 411,777.78 = 162,423.55 : x
  2. Step 2: Convert to fraction form
    298,390.03/411,777.78 = 162,423.55/x
  3. Step 3: Cross multiply
    298,390.03x = 411,777.78 × 162,423.55
  4. Step 4: Simplify right side
    298,390.03x = 66,882,409,902.48
  5. Step 5: Solve for x
    x = 66,882,409,902.48/298,390.03
  6. Step 6: Final answer
    x = 224,144.25

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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.