Home / 136,416.27-188,263.92-82,703.55

Finding the Fourth Proportional to 136,416.27, 188,263.92 and 82,703.55

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Solution

The fourth proportional to 136,416.27, 188,263.92 and 82,703.55 is: 114,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.27 : 188,263.92 = 82,703.55 : x
  2. Step 2: Convert to fraction form
    136,416.27/188,263.92 = 82,703.55/x
  3. Step 3: Cross multiply
    136,416.27x = 188,263.92 × 82,703.55
  4. Step 4: Simplify right side
    136,416.27x = 15,570,094,520.92
  5. Step 5: Solve for x
    x = 15,570,094,520.92/136,416.27
  6. Step 6: Final answer
    x = 114,136.64

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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.