Home / 188,802.06-260,537.22-103,902.72

Finding the Fourth Proportional to 188,802.06, 260,537.22 and 103,902.72

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Solution

The fourth proportional to 188,802.06, 260,537.22 and 103,902.72 is: 143,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,802.06 : 260,537.22 = 103,902.72 : x
  2. Step 2: Convert to fraction form
    188,802.06/260,537.22 = 103,902.72/x
  3. Step 3: Cross multiply
    188,802.06x = 260,537.22 × 103,902.72
  4. Step 4: Simplify right side
    188,802.06x = 27,070,525,819.24
  5. Step 5: Solve for x
    x = 27,070,525,819.24/188,802.06
  6. Step 6: Final answer
    x = 143,380.46

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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.