Home / 227,172.58-313,500.30-125,201.70

Finding the Fourth Proportional to 227,172.58, 313,500.30 and 125,201.70

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Solution

The fourth proportional to 227,172.58, 313,500.30 and 125,201.70 is: 172,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,172.58 : 313,500.30 = 125,201.70 : x
  2. Step 2: Convert to fraction form
    227,172.58/313,500.30 = 125,201.70/x
  3. Step 3: Cross multiply
    227,172.58x = 313,500.30 × 125,201.70
  4. Step 4: Simplify right side
    227,172.58x = 39,250,770,510.51
  5. Step 5: Solve for x
    x = 39,250,770,510.51/227,172.58
  6. Step 6: Final answer
    x = 172,779.53

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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.