Home / 188,539.07-260,110.29-107,923.51

Finding the Fourth Proportional to 188,539.07, 260,110.29 and 107,923.51

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Solution

The fourth proportional to 188,539.07, 260,110.29 and 107,923.51 is: 148,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,539.07 : 260,110.29 = 107,923.51 : x
  2. Step 2: Convert to fraction form
    188,539.07/260,110.29 = 107,923.51/x
  3. Step 3: Cross multiply
    188,539.07x = 260,110.29 × 107,923.51
  4. Step 4: Simplify right side
    188,539.07x = 28,072,014,833.64
  5. Step 5: Solve for x
    x = 28,072,014,833.64/188,539.07
  6. Step 6: Final answer
    x = 148,892.30

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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.