Home / 170,756.40-256,164.30-70,861.80

Finding the Fourth Proportional to 170,756.40, 256,164.30 and 70,861.80

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Solution

The fourth proportional to 170,756.40, 256,164.30 and 70,861.80 is: 106,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,756.40 : 256,164.30 = 70,861.80 : x
  2. Step 2: Convert to fraction form
    170,756.40/256,164.30 = 70,861.80/x
  3. Step 3: Cross multiply
    170,756.40x = 256,164.30 × 70,861.80
  4. Step 4: Simplify right side
    170,756.40x = 18,152,263,393.74
  5. Step 5: Solve for x
    x = 18,152,263,393.74/170,756.40
  6. Step 6: Final answer
    x = 106,305.03

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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.