Home / 261,930.38-392,567.01-111,994.67

Finding the Fourth Proportional to 261,930.38, 392,567.01 and 111,994.67

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Solution

The fourth proportional to 261,930.38, 392,567.01 and 111,994.67 is: 167,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,930.38 : 392,567.01 = 111,994.67 : x
  2. Step 2: Convert to fraction form
    261,930.38/392,567.01 = 111,994.67/x
  3. Step 3: Cross multiply
    261,930.38x = 392,567.01 × 111,994.67
  4. Step 4: Simplify right side
    261,930.38x = 43,965,410,775.00
  5. Step 5: Solve for x
    x = 43,965,410,775.00/261,930.38
  6. Step 6: Final answer
    x = 167,851.52

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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.