Home / 116,190.90-174,120.21-66,167.73

Finding the Fourth Proportional to 116,190.90, 174,120.21 and 66,167.73

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Solution

The fourth proportional to 116,190.90, 174,120.21 and 66,167.73 is: 99,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,190.90 : 174,120.21 = 66,167.73 : x
  2. Step 2: Convert to fraction form
    116,190.90/174,120.21 = 66,167.73/x
  3. Step 3: Cross multiply
    116,190.90x = 174,120.21 × 66,167.73
  4. Step 4: Simplify right side
    116,190.90x = 11,521,139,042.82
  5. Step 5: Solve for x
    x = 11,521,139,042.82/116,190.90
  6. Step 6: Final answer
    x = 99,156.98

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1.5x scale

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.