Home / 316,180.23-436,317.67-180,257.95

Finding the Fourth Proportional to 316,180.23, 436,317.67 and 180,257.95

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Solution

The fourth proportional to 316,180.23, 436,317.67 and 180,257.95 is: 248,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,180.23 : 436,317.67 = 180,257.95 : x
  2. Step 2: Convert to fraction form
    316,180.23/436,317.67 = 180,257.95/x
  3. Step 3: Cross multiply
    316,180.23x = 436,317.67 × 180,257.95
  4. Step 4: Simplify right side
    316,180.23x = 78,649,728,742.98
  5. Step 5: Solve for x
    x = 78,649,728,742.98/316,180.23
  6. Step 6: Final answer
    x = 248,749.67

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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.