Home / 321,180.17-443,211.14-177,931.67

Finding the Fourth Proportional to 321,180.17, 443,211.14 and 177,931.67

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Solution

The fourth proportional to 321,180.17, 443,211.14 and 177,931.67 is: 245,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,180.17 : 443,211.14 = 177,931.67 : x
  2. Step 2: Convert to fraction form
    321,180.17/443,211.14 = 177,931.67/x
  3. Step 3: Cross multiply
    321,180.17x = 443,211.14 × 177,931.67
  4. Step 4: Simplify right side
    321,180.17x = 78,861,295,197.09
  5. Step 5: Solve for x
    x = 78,861,295,197.09/321,180.17
  6. Step 6: Final answer
    x = 245,536.01

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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.