Home / 316,429.10-436,673.30-171,234.86

Finding the Fourth Proportional to 316,429.10, 436,673.30 and 171,234.86

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Solution

The fourth proportional to 316,429.10, 436,673.30 and 171,234.86 is: 236,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,429.10 : 436,673.30 = 171,234.86 : x
  2. Step 2: Convert to fraction form
    316,429.10/436,673.30 = 171,234.86/x
  3. Step 3: Cross multiply
    316,429.10x = 436,673.30 × 171,234.86
  4. Step 4: Simplify right side
    316,429.10x = 74,773,691,626.75
  5. Step 5: Solve for x
    x = 74,773,691,626.75/316,429.10
  6. Step 6: Final answer
    x = 236,304.73

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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.