Home / 188,365.23-259,943.72-103,482.36

Finding the Fourth Proportional to 188,365.23, 259,943.72 and 103,482.36

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Solution

The fourth proportional to 188,365.23, 259,943.72 and 103,482.36 is: 142,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,365.23 : 259,943.72 = 103,482.36 : x
  2. Step 2: Convert to fraction form
    188,365.23/259,943.72 = 103,482.36/x
  3. Step 3: Cross multiply
    188,365.23x = 259,943.72 × 103,482.36
  4. Step 4: Simplify right side
    188,365.23x = 26,899,589,095.37
  5. Step 5: Solve for x
    x = 26,899,589,095.37/188,365.23
  6. Step 6: Final answer
    x = 142,805.49

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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.