Home / 190,307.82-285,267.33-123,881.34

Finding the Fourth Proportional to 190,307.82, 285,267.33 and 123,881.34

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Solution

The fourth proportional to 190,307.82, 285,267.33 and 123,881.34 is: 185,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,307.82 : 285,267.33 = 123,881.34 : x
  2. Step 2: Convert to fraction form
    190,307.82/285,267.33 = 123,881.34/x
  3. Step 3: Cross multiply
    190,307.82x = 285,267.33 × 123,881.34
  4. Step 4: Simplify right side
    190,307.82x = 35,339,299,098.62
  5. Step 5: Solve for x
    x = 35,339,299,098.62/190,307.82
  6. Step 6: Final answer
    x = 185,695.46

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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.