Home / 185,917.20-257,063.40-162,297.60

Finding the Fourth Proportional to 185,917.20, 257,063.40 and 162,297.60

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Solution

The fourth proportional to 185,917.20, 257,063.40 and 162,297.60 is: 224,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,917.20 : 257,063.40 = 162,297.60 : x
  2. Step 2: Convert to fraction form
    185,917.20/257,063.40 = 162,297.60/x
  3. Step 3: Cross multiply
    185,917.20x = 257,063.40 × 162,297.60
  4. Step 4: Simplify right side
    185,917.20x = 41,720,772,867.84
  5. Step 5: Solve for x
    x = 41,720,772,867.84/185,917.20
  6. Step 6: Final answer
    x = 224,405.13

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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.