Home / 210,586.20-290,608.44-115,093.58

Finding the Fourth Proportional to 210,586.20, 290,608.44 and 115,093.58

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Solution

The fourth proportional to 210,586.20, 290,608.44 and 115,093.58 is: 158,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,586.20 : 290,608.44 = 115,093.58 : x
  2. Step 2: Convert to fraction form
    210,586.20/290,608.44 = 115,093.58/x
  3. Step 3: Cross multiply
    210,586.20x = 290,608.44 × 115,093.58
  4. Step 4: Simplify right side
    210,586.20x = 33,447,164,500.57
  5. Step 5: Solve for x
    x = 33,447,164,500.57/210,586.20
  6. Step 6: Final answer
    x = 158,828.86

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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.