Home / 120,936.20-181,404.30-47,064.20

Finding the Fourth Proportional to 120,936.20, 181,404.30 and 47,064.20

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Solution

The fourth proportional to 120,936.20, 181,404.30 and 47,064.20 is: 70,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936.20 : 181,404.30 = 47,064.20 : x
  2. Step 2: Convert to fraction form
    120,936.20/181,404.30 = 47,064.20/x
  3. Step 3: Cross multiply
    120,936.20x = 181,404.30 × 47,064.20
  4. Step 4: Simplify right side
    120,936.20x = 8,537,648,256.06
  5. Step 5: Solve for x
    x = 8,537,648,256.06/120,936.20
  6. Step 6: Final answer
    x = 70,596.30

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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.