Home / 226,088.40-311,990.53-134,211.61

Finding the Fourth Proportional to 226,088.40, 311,990.53 and 134,211.61

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Solution

The fourth proportional to 226,088.40, 311,990.53 and 134,211.61 is: 185,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,088.40 : 311,990.53 = 134,211.61 : x
  2. Step 2: Convert to fraction form
    226,088.40/311,990.53 = 134,211.61/x
  3. Step 3: Cross multiply
    226,088.40x = 311,990.53 × 134,211.61
  4. Step 4: Simplify right side
    226,088.40x = 41,872,751,336.05
  5. Step 5: Solve for x
    x = 41,872,751,336.05/226,088.40
  6. Step 6: Final answer
    x = 185,205.22

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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.