Home / 170,961.19-256,510.14-71,190.25

Finding the Fourth Proportional to 170,961.19, 256,510.14 and 71,190.25

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Solution

The fourth proportional to 170,961.19, 256,510.14 and 71,190.25 is: 106,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,961.19 : 256,510.14 = 71,190.25 : x
  2. Step 2: Convert to fraction form
    170,961.19/256,510.14 = 71,190.25/x
  3. Step 3: Cross multiply
    170,961.19x = 256,510.14 × 71,190.25
  4. Step 4: Simplify right side
    170,961.19x = 18,261,020,994.14
  5. Step 5: Solve for x
    x = 18,261,020,994.14/170,961.19
  6. Step 6: Final answer
    x = 106,813.84

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1.5x scale

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.