Home / 345,799.77-477,205.73-192,847.62

Finding the Fourth Proportional to 345,799.77, 477,205.73 and 192,847.62

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Solution

The fourth proportional to 345,799.77, 477,205.73 and 192,847.62 is: 266,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,799.77 : 477,205.73 = 192,847.62 : x
  2. Step 2: Convert to fraction form
    345,799.77/477,205.73 = 192,847.62/x
  3. Step 3: Cross multiply
    345,799.77x = 477,205.73 × 192,847.62
  4. Step 4: Simplify right side
    345,799.77x = 92,027,988,316.62
  5. Step 5: Solve for x
    x = 92,027,988,316.62/345,799.77
  6. Step 6: Final answer
    x = 266,130.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.