Home / 182,277.87-251,513.28-121,751.43

Finding the Fourth Proportional to 182,277.87, 251,513.28 and 121,751.43

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Solution

The fourth proportional to 182,277.87, 251,513.28 and 121,751.43 is: 167,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,277.87 : 251,513.28 = 121,751.43 : x
  2. Step 2: Convert to fraction form
    182,277.87/251,513.28 = 121,751.43/x
  3. Step 3: Cross multiply
    182,277.87x = 251,513.28 × 121,751.43
  4. Step 4: Simplify right side
    182,277.87x = 30,622,101,503.99
  5. Step 5: Solve for x
    x = 30,622,101,503.99/182,277.87
  6. Step 6: Final answer
    x = 167,996.81

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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.