Home / 389,267.18-583,692.66-199,650.18

Finding the Fourth Proportional to 389,267.18, 583,692.66 and 199,650.18

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Solution

The fourth proportional to 389,267.18, 583,692.66 and 199,650.18 is: 299,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,267.18 : 583,692.66 = 199,650.18 : x
  2. Step 2: Convert to fraction form
    389,267.18/583,692.66 = 199,650.18/x
  3. Step 3: Cross multiply
    389,267.18x = 583,692.66 × 199,650.18
  4. Step 4: Simplify right side
    389,267.18x = 116,534,344,633.68
  5. Step 5: Solve for x
    x = 116,534,344,633.68/389,267.18
  6. Step 6: Final answer
    x = 299,368.53

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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.