Home / 321,634.19-443,875.34-185,692.70

Finding the Fourth Proportional to 321,634.19, 443,875.34 and 185,692.70

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Solution

The fourth proportional to 321,634.19, 443,875.34 and 185,692.70 is: 256,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,634.19 : 443,875.34 = 185,692.70 : x
  2. Step 2: Convert to fraction form
    321,634.19/443,875.34 = 185,692.70/x
  3. Step 3: Cross multiply
    321,634.19x = 443,875.34 × 185,692.70
  4. Step 4: Simplify right side
    321,634.19x = 82,424,411,921.94
  5. Step 5: Solve for x
    x = 82,424,411,921.94/321,634.19
  6. Step 6: Final answer
    x = 256,267.57

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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.