Home / 248,741.27-343,263.28-135,564.02

Finding the Fourth Proportional to 248,741.27, 343,263.28 and 135,564.02

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Solution

The fourth proportional to 248,741.27, 343,263.28 and 135,564.02 is: 187,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,741.27 : 343,263.28 = 135,564.02 : x
  2. Step 2: Convert to fraction form
    248,741.27/343,263.28 = 135,564.02/x
  3. Step 3: Cross multiply
    248,741.27x = 343,263.28 × 135,564.02
  4. Step 4: Simplify right side
    248,741.27x = 46,534,150,155.19
  5. Step 5: Solve for x
    x = 46,534,150,155.19/248,741.27
  6. Step 6: Final answer
    x = 187,078.53

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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.