Home / 215,117.08-296,738.22-178,611.88

Finding the Fourth Proportional to 215,117.08, 296,738.22 and 178,611.88

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Solution

The fourth proportional to 215,117.08, 296,738.22 and 178,611.88 is: 246,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,117.08 : 296,738.22 = 178,611.88 : x
  2. Step 2: Convert to fraction form
    215,117.08/296,738.22 = 178,611.88/x
  3. Step 3: Cross multiply
    215,117.08x = 296,738.22 × 178,611.88
  4. Step 4: Simplify right side
    215,117.08x = 53,000,971,342.05
  5. Step 5: Solve for x
    x = 53,000,971,342.05/215,117.08
  6. Step 6: Final answer
    x = 246,381.98

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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.