Home / 165,688.38-248,380.70-64,554.67

Finding the Fourth Proportional to 165,688.38, 248,380.70 and 64,554.67

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Solution

The fourth proportional to 165,688.38, 248,380.70 and 64,554.67 is: 96,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,688.38 : 248,380.70 = 64,554.67 : x
  2. Step 2: Convert to fraction form
    165,688.38/248,380.70 = 64,554.67/x
  3. Step 3: Cross multiply
    165,688.38x = 248,380.70 × 64,554.67
  4. Step 4: Simplify right side
    165,688.38x = 16,034,132,880.97
  5. Step 5: Solve for x
    x = 16,034,132,880.97/165,688.38
  6. Step 6: Final answer
    x = 96,772.83

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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.