Home / 110,895.40-166,083.90-108,668.20

Finding the Fourth Proportional to 110,895.40, 166,083.90 and 108,668.20

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Solution

The fourth proportional to 110,895.40, 166,083.90 and 108,668.20 is: 162,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,895.40 : 166,083.90 = 108,668.20 : x
  2. Step 2: Convert to fraction form
    110,895.40/166,083.90 = 108,668.20/x
  3. Step 3: Cross multiply
    110,895.40x = 166,083.90 × 108,668.20
  4. Step 4: Simplify right side
    110,895.40x = 18,048,038,461.98
  5. Step 5: Solve for x
    x = 18,048,038,461.98/110,895.40
  6. Step 6: Final answer
    x = 162,748.31

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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.