Home / 279,011.35-418,511.53-92,022.85

Finding the Fourth Proportional to 279,011.35, 418,511.53 and 92,022.85

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Solution

The fourth proportional to 279,011.35, 418,511.53 and 92,022.85 is: 138,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,011.35 : 418,511.53 = 92,022.85 : x
  2. Step 2: Convert to fraction form
    279,011.35/418,511.53 = 92,022.85/x
  3. Step 3: Cross multiply
    279,011.35x = 418,511.53 × 92,022.85
  4. Step 4: Simplify right side
    279,011.35x = 38,512,623,748.46
  5. Step 5: Solve for x
    x = 38,512,623,748.46/279,011.35
  6. Step 6: Final answer
    x = 138,032.46

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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.