Home / 123,852.42-185,850.14-66,926.52

Finding the Fourth Proportional to 123,852.42, 185,850.14 and 66,926.52

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Solution

The fourth proportional to 123,852.42, 185,850.14 and 66,926.52 is: 100,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,852.42 : 185,850.14 = 66,926.52 : x
  2. Step 2: Convert to fraction form
    123,852.42/185,850.14 = 66,926.52/x
  3. Step 3: Cross multiply
    123,852.42x = 185,850.14 × 66,926.52
  4. Step 4: Simplify right side
    123,852.42x = 12,438,303,376.52
  5. Step 5: Solve for x
    x = 12,438,303,376.52/123,852.42
  6. Step 6: Final answer
    x = 100,428.42

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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.