Home / 200,556.12-276,767.34-119,986.92

Finding the Fourth Proportional to 200,556.12, 276,767.34 and 119,986.92

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Solution

The fourth proportional to 200,556.12, 276,767.34 and 119,986.92 is: 165,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,556.12 : 276,767.34 = 119,986.92 : x
  2. Step 2: Convert to fraction form
    200,556.12/276,767.34 = 119,986.92/x
  3. Step 3: Cross multiply
    200,556.12x = 276,767.34 × 119,986.92
  4. Step 4: Simplify right side
    200,556.12x = 33,208,460,683.19
  5. Step 5: Solve for x
    x = 33,208,460,683.19/200,556.12
  6. Step 6: Final answer
    x = 165,581.89

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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.