Home / 351,129.07-484,554.66-189,980.58

Finding the Fourth Proportional to 351,129.07, 484,554.66 and 189,980.58

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Solution

The fourth proportional to 351,129.07, 484,554.66 and 189,980.58 is: 262,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,129.07 : 484,554.66 = 189,980.58 : x
  2. Step 2: Convert to fraction form
    351,129.07/484,554.66 = 189,980.58/x
  3. Step 3: Cross multiply
    351,129.07x = 484,554.66 × 189,980.58
  4. Step 4: Simplify right side
    351,129.07x = 92,055,975,348.50
  5. Step 5: Solve for x
    x = 92,055,975,348.50/351,129.07
  6. Step 6: Final answer
    x = 262,171.33

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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.