Home / 113,676.04-170,309.76-66,903.40

Finding the Fourth Proportional to 113,676.04, 170,309.76 and 66,903.40

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Solution

The fourth proportional to 113,676.04, 170,309.76 and 66,903.40 is: 100,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,676.04 : 170,309.76 = 66,903.40 : x
  2. Step 2: Convert to fraction form
    113,676.04/170,309.76 = 66,903.40/x
  3. Step 3: Cross multiply
    113,676.04x = 170,309.76 × 66,903.40
  4. Step 4: Simplify right side
    113,676.04x = 11,394,301,997.18
  5. Step 5: Solve for x
    x = 11,394,301,997.18/113,676.04
  6. Step 6: Final answer
    x = 100,234.86

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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.