Home / 165,458.30-248,087.34-74,256.89

Finding the Fourth Proportional to 165,458.30, 248,087.34 and 74,256.89

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Solution

The fourth proportional to 165,458.30, 248,087.34 and 74,256.89 is: 111,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,458.30 : 248,087.34 = 74,256.89 : x
  2. Step 2: Convert to fraction form
    165,458.30/248,087.34 = 74,256.89/x
  3. Step 3: Cross multiply
    165,458.30x = 248,087.34 × 74,256.89
  4. Step 4: Simplify right side
    165,458.30x = 18,422,193,076.34
  5. Step 5: Solve for x
    x = 18,422,193,076.34/165,458.30
  6. Step 6: Final answer
    x = 111,340.40

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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.