Home / 186,511.12-279,849.39-97,743.55

Finding the Fourth Proportional to 186,511.12, 279,849.39 and 97,743.55

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Solution

The fourth proportional to 186,511.12, 279,849.39 and 97,743.55 is: 146,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,511.12 : 279,849.39 = 97,743.55 : x
  2. Step 2: Convert to fraction form
    186,511.12/279,849.39 = 97,743.55/x
  3. Step 3: Cross multiply
    186,511.12x = 279,849.39 × 97,743.55
  4. Step 4: Simplify right side
    186,511.12x = 27,353,472,843.93
  5. Step 5: Solve for x
    x = 27,353,472,843.93/186,511.12
  6. Step 6: Final answer
    x = 146,658.67

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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.