Home / 299,110.34-412,538.85-191,690.30

Finding the Fourth Proportional to 299,110.34, 412,538.85 and 191,690.30

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Solution

The fourth proportional to 299,110.34, 412,538.85 and 191,690.30 is: 264,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,110.34 : 412,538.85 = 191,690.30 : x
  2. Step 2: Convert to fraction form
    299,110.34/412,538.85 = 191,690.30/x
  3. Step 3: Cross multiply
    299,110.34x = 412,538.85 × 191,690.30
  4. Step 4: Simplify right side
    299,110.34x = 79,079,693,855.46
  5. Step 5: Solve for x
    x = 79,079,693,855.46/299,110.34
  6. Step 6: Final answer
    x = 264,383.02

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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.