Home / 505,177.11-757,886.76-168,220.85

Finding the Fourth Proportional to 505,177.11, 757,886.76 and 168,220.85

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Solution

The fourth proportional to 505,177.11, 757,886.76 and 168,220.85 is: 252,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,177.11 : 757,886.76 = 168,220.85 : x
  2. Step 2: Convert to fraction form
    505,177.11/757,886.76 = 168,220.85/x
  3. Step 3: Cross multiply
    505,177.11x = 757,886.76 × 168,220.85
  4. Step 4: Simplify right side
    505,177.11x = 127,492,351,181.51
  5. Step 5: Solve for x
    x = 127,492,351,181.51/505,177.11
  6. Step 6: Final answer
    x = 252,371.59

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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.