Home / 257,186.37-354,904.77-142,457.25

Finding the Fourth Proportional to 257,186.37, 354,904.77 and 142,457.25

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Solution

The fourth proportional to 257,186.37, 354,904.77 and 142,457.25 is: 196,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,186.37 : 354,904.77 = 142,457.25 : x
  2. Step 2: Convert to fraction form
    257,186.37/354,904.77 = 142,457.25/x
  3. Step 3: Cross multiply
    257,186.37x = 354,904.77 × 142,457.25
  4. Step 4: Simplify right side
    257,186.37x = 50,558,757,546.08
  5. Step 5: Solve for x
    x = 50,558,757,546.08/257,186.37
  6. Step 6: Final answer
    x = 196,584.13

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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.