Home / 316,451.40-436,686.03-173,183.73

Finding the Fourth Proportional to 316,451.40, 436,686.03 and 173,183.73

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Solution

The fourth proportional to 316,451.40, 436,686.03 and 173,183.73 is: 238,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,451.40 : 436,686.03 = 173,183.73 : x
  2. Step 2: Convert to fraction form
    316,451.40/436,686.03 = 173,183.73/x
  3. Step 3: Cross multiply
    316,451.40x = 436,686.03 × 173,183.73
  4. Step 4: Simplify right side
    316,451.40x = 75,626,915,514.29
  5. Step 5: Solve for x
    x = 75,626,915,514.29/316,451.40
  6. Step 6: Final answer
    x = 238,984.30

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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.