Home / 505,177.27-757,886.55-168,220.84

Finding the Fourth Proportional to 505,177.27, 757,886.55 and 168,220.84

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Solution

The fourth proportional to 505,177.27, 757,886.55 and 168,220.84 is: 252,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,177.27 : 757,886.55 = 168,220.84 : x
  2. Step 2: Convert to fraction form
    505,177.27/757,886.55 = 168,220.84/x
  3. Step 3: Cross multiply
    505,177.27x = 757,886.55 × 168,220.84
  4. Step 4: Simplify right side
    505,177.27x = 127,492,312,065.70
  5. Step 5: Solve for x
    x = 127,492,312,065.70/505,177.27
  6. Step 6: Final answer
    x = 252,371.44

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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.