Home / 256,623.99-384,911.22-79,083.33

Finding the Fourth Proportional to 256,623.99, 384,911.22 and 79,083.33

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Solution

The fourth proportional to 256,623.99, 384,911.22 and 79,083.33 is: 118,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,623.99 : 384,911.22 = 79,083.33 : x
  2. Step 2: Convert to fraction form
    256,623.99/384,911.22 = 79,083.33/x
  3. Step 3: Cross multiply
    256,623.99x = 384,911.22 × 79,083.33
  4. Step 4: Simplify right side
    256,623.99x = 30,440,061,031.96
  5. Step 5: Solve for x
    x = 30,440,061,031.96/256,623.99
  6. Step 6: Final answer
    x = 118,617.36

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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.