Home / 180,268.32-248,788.71-103,790.28

Finding the Fourth Proportional to 180,268.32, 248,788.71 and 103,790.28

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Solution

The fourth proportional to 180,268.32, 248,788.71 and 103,790.28 is: 143,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,268.32 : 248,788.71 = 103,790.28 : x
  2. Step 2: Convert to fraction form
    180,268.32/248,788.71 = 103,790.28/x
  3. Step 3: Cross multiply
    180,268.32x = 248,788.71 × 103,790.28
  4. Step 4: Simplify right side
    180,268.32x = 25,821,849,871.74
  5. Step 5: Solve for x
    x = 25,821,849,871.74/180,268.32
  6. Step 6: Final answer
    x = 143,241.20

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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.