Home / 170,310.96-255,496.50-70,415.19

Finding the Fourth Proportional to 170,310.96, 255,496.50 and 70,415.19

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Solution

The fourth proportional to 170,310.96, 255,496.50 and 70,415.19 is: 105,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,310.96 : 255,496.50 = 70,415.19 : x
  2. Step 2: Convert to fraction form
    170,310.96/255,496.50 = 70,415.19/x
  3. Step 3: Cross multiply
    170,310.96x = 255,496.50 × 70,415.19
  4. Step 4: Simplify right side
    170,310.96x = 17,990,834,591.84
  5. Step 5: Solve for x
    x = 17,990,834,591.84/170,310.96
  6. Step 6: Final answer
    x = 105,635.21

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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.