Home / 210,839.30-316,163.87-104,181.67

Finding the Fourth Proportional to 210,839.30, 316,163.87 and 104,181.67

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Solution

The fourth proportional to 210,839.30, 316,163.87 and 104,181.67 is: 156,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,839.30 : 316,163.87 = 104,181.67 : x
  2. Step 2: Convert to fraction form
    210,839.30/316,163.87 = 104,181.67/x
  3. Step 3: Cross multiply
    210,839.30x = 316,163.87 × 104,181.67
  4. Step 4: Simplify right side
    210,839.30x = 32,938,480,239.76
  5. Step 5: Solve for x
    x = 32,938,480,239.76/210,839.30
  6. Step 6: Final answer
    x = 156,225.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.