Home / 355,147.18-490,095.06-194,002.94

Finding the Fourth Proportional to 355,147.18, 490,095.06 and 194,002.94

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Solution

The fourth proportional to 355,147.18, 490,095.06 and 194,002.94 is: 267,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,147.18 : 490,095.06 = 194,002.94 : x
  2. Step 2: Convert to fraction form
    355,147.18/490,095.06 = 194,002.94/x
  3. Step 3: Cross multiply
    355,147.18x = 490,095.06 × 194,002.94
  4. Step 4: Simplify right side
    355,147.18x = 95,079,882,519.48
  5. Step 5: Solve for x
    x = 95,079,882,519.48/355,147.18
  6. Step 6: Final answer
    x = 267,719.66

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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.