Home / 270,256.32-405,558.56-145,684.16

Finding the Fourth Proportional to 270,256.32, 405,558.56 and 145,684.16

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Solution

The fourth proportional to 270,256.32, 405,558.56 and 145,684.16 is: 218,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,256.32 : 405,558.56 = 145,684.16 : x
  2. Step 2: Convert to fraction form
    270,256.32/405,558.56 = 145,684.16/x
  3. Step 3: Cross multiply
    270,256.32x = 405,558.56 × 145,684.16
  4. Step 4: Simplify right side
    270,256.32x = 59,083,458,144.41
  5. Step 5: Solve for x
    x = 59,083,458,144.41/270,256.32
  6. Step 6: Final answer
    x = 218,620.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.