Home / 261,556.68-392,166.18-111,894.60

Finding the Fourth Proportional to 261,556.68, 392,166.18 and 111,894.60

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Solution

The fourth proportional to 261,556.68, 392,166.18 and 111,894.60 is: 167,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,556.68 : 392,166.18 = 111,894.60 : x
  2. Step 2: Convert to fraction form
    261,556.68/392,166.18 = 111,894.60/x
  3. Step 3: Cross multiply
    261,556.68x = 392,166.18 × 111,894.60
  4. Step 4: Simplify right side
    261,556.68x = 43,881,277,844.63
  5. Step 5: Solve for x
    x = 43,881,277,844.63/261,556.68
  6. Step 6: Final answer
    x = 167,769.67

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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.