Home / 195,069.78-269,312.31-123,511.14

Finding the Fourth Proportional to 195,069.78, 269,312.31 and 123,511.14

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Solution

The fourth proportional to 195,069.78, 269,312.31 and 123,511.14 is: 170,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,069.78 : 269,312.31 = 123,511.14 : x
  2. Step 2: Convert to fraction form
    195,069.78/269,312.31 = 123,511.14/x
  3. Step 3: Cross multiply
    195,069.78x = 269,312.31 × 123,511.14
  4. Step 4: Simplify right side
    195,069.78x = 33,263,070,424.13
  5. Step 5: Solve for x
    x = 33,263,070,424.13/195,069.78
  6. Step 6: Final answer
    x = 170,518.83

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1.5x scale

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.