Home / 316,540.86-436,827.66-173,314.23

Finding the Fourth Proportional to 316,540.86, 436,827.66 and 173,314.23

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Solution

The fourth proportional to 316,540.86, 436,827.66 and 173,314.23 is: 239,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,540.86 : 436,827.66 = 173,314.23 : x
  2. Step 2: Convert to fraction form
    316,540.86/436,827.66 = 173,314.23/x
  3. Step 3: Cross multiply
    316,540.86x = 436,827.66 × 173,314.23
  4. Step 4: Simplify right side
    316,540.86x = 75,708,449,535.60
  5. Step 5: Solve for x
    x = 75,708,449,535.60/316,540.86
  6. Step 6: Final answer
    x = 239,174.33

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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.