Home / 150,961.26-207,966.48-105,554.28

Finding the Fourth Proportional to 150,961.26, 207,966.48 and 105,554.28

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Solution

The fourth proportional to 150,961.26, 207,966.48 and 105,554.28 is: 145,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,961.26 : 207,966.48 = 105,554.28 : x
  2. Step 2: Convert to fraction form
    150,961.26/207,966.48 = 105,554.28/x
  3. Step 3: Cross multiply
    150,961.26x = 207,966.48 × 105,554.28
  4. Step 4: Simplify right side
    150,961.26x = 21,951,752,060.53
  5. Step 5: Solve for x
    x = 21,951,752,060.53/150,961.26
  6. Step 6: Final answer
    x = 145,413.15

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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.