Home / 120,122.84-180,196.55-41,226.82

Finding the Fourth Proportional to 120,122.84, 180,196.55 and 41,226.82

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Solution

The fourth proportional to 120,122.84, 180,196.55 and 41,226.82 is: 61,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,122.84 : 180,196.55 = 41,226.82 : x
  2. Step 2: Convert to fraction form
    120,122.84/180,196.55 = 41,226.82/x
  3. Step 3: Cross multiply
    120,122.84x = 180,196.55 × 41,226.82
  4. Step 4: Simplify right side
    120,122.84x = 7,428,930,731.47
  5. Step 5: Solve for x
    x = 7,428,930,731.47/120,122.84
  6. Step 6: Final answer
    x = 61,844.45

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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.