Home / 316,187.44-436,213.92-195,117.76

Finding the Fourth Proportional to 316,187.44, 436,213.92 and 195,117.76

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Solution

The fourth proportional to 316,187.44, 436,213.92 and 195,117.76 is: 269,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,187.44 : 436,213.92 = 195,117.76 : x
  2. Step 2: Convert to fraction form
    316,187.44/436,213.92 = 195,117.76/x
  3. Step 3: Cross multiply
    316,187.44x = 436,213.92 × 195,117.76
  4. Step 4: Simplify right side
    316,187.44x = 85,113,082,951.22
  5. Step 5: Solve for x
    x = 85,113,082,951.22/316,187.44
  6. Step 6: Final answer
    x = 269,185.53

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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.