Home / 125,449.27-188,172.27-30,680.28

Finding the Fourth Proportional to 125,449.27, 188,172.27 and 30,680.28

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Solution

The fourth proportional to 125,449.27, 188,172.27 and 30,680.28 is: 46,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.27 : 188,172.27 = 30,680.28 : x
  2. Step 2: Convert to fraction form
    125,449.27/188,172.27 = 30,680.28/x
  3. Step 3: Cross multiply
    125,449.27x = 188,172.27 × 30,680.28
  4. Step 4: Simplify right side
    125,449.27x = 5,773,177,091.96
  5. Step 5: Solve for x
    x = 5,773,177,091.96/125,449.27
  6. Step 6: Final answer
    x = 46,020.01

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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.