Home / 165,732.60-248,015.70-115,577.40

Finding the Fourth Proportional to 165,732.60, 248,015.70 and 115,577.40

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Solution

The fourth proportional to 165,732.60, 248,015.70 and 115,577.40 is: 172,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,732.60 : 248,015.70 = 115,577.40 : x
  2. Step 2: Convert to fraction form
    165,732.60/248,015.70 = 115,577.40/x
  3. Step 3: Cross multiply
    165,732.60x = 248,015.70 × 115,577.40
  4. Step 4: Simplify right side
    165,732.60x = 28,665,009,765.18
  5. Step 5: Solve for x
    x = 28,665,009,765.18/165,732.60
  6. Step 6: Final answer
    x = 172,959.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.