Home / 210,586.48-290,608.83-115,093.86

Finding the Fourth Proportional to 210,586.48, 290,608.83 and 115,093.86

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Solution

The fourth proportional to 210,586.48, 290,608.83 and 115,093.86 is: 158,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,586.48 : 290,608.83 = 115,093.86 : x
  2. Step 2: Convert to fraction form
    210,586.48/290,608.83 = 115,093.86/x
  3. Step 3: Cross multiply
    210,586.48x = 290,608.83 × 115,093.86
  4. Step 4: Simplify right side
    210,586.48x = 33,447,290,905.00
  5. Step 5: Solve for x
    x = 33,447,290,905.00/210,586.48
  6. Step 6: Final answer
    x = 158,829.24

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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.