Home / 113,926.80-170,890.20-30,820.80

Finding the Fourth Proportional to 113,926.80, 170,890.20 and 30,820.80

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Solution

The fourth proportional to 113,926.80, 170,890.20 and 30,820.80 is: 46,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,926.80 : 170,890.20 = 30,820.80 : x
  2. Step 2: Convert to fraction form
    113,926.80/170,890.20 = 30,820.80/x
  3. Step 3: Cross multiply
    113,926.80x = 170,890.20 × 30,820.80
  4. Step 4: Simplify right side
    113,926.80x = 5,266,972,676.16
  5. Step 5: Solve for x
    x = 5,266,972,676.16/113,926.80
  6. Step 6: Final answer
    x = 46,231.20

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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.