Home / 165,327.92-248,023.80-70,556.72

Finding the Fourth Proportional to 165,327.92, 248,023.80 and 70,556.72

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Solution

The fourth proportional to 165,327.92, 248,023.80 and 70,556.72 is: 105,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,327.92 : 248,023.80 = 70,556.72 : x
  2. Step 2: Convert to fraction form
    165,327.92/248,023.80 = 70,556.72/x
  3. Step 3: Cross multiply
    165,327.92x = 248,023.80 × 70,556.72
  4. Step 4: Simplify right side
    165,327.92x = 17,499,745,809.94
  5. Step 5: Solve for x
    x = 17,499,745,809.94/165,327.92
  6. Step 6: Final answer
    x = 105,848.70

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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.