Home / 571,512.82-856,669.06-192,301.90

Finding the Fourth Proportional to 571,512.82, 856,669.06 and 192,301.90

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Solution

The fourth proportional to 571,512.82, 856,669.06 and 192,301.90 is: 288,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,512.82 : 856,669.06 = 192,301.90 : x
  2. Step 2: Convert to fraction form
    571,512.82/856,669.06 = 192,301.90/x
  3. Step 3: Cross multiply
    571,512.82x = 856,669.06 × 192,301.90
  4. Step 4: Simplify right side
    571,512.82x = 164,739,087,909.21
  5. Step 5: Solve for x
    x = 164,739,087,909.21/571,512.82
  6. Step 6: Final answer
    x = 288,250.91

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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.