Home / 165,399.03-248,031.73-64,143.76

Finding the Fourth Proportional to 165,399.03, 248,031.73 and 64,143.76

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Solution

The fourth proportional to 165,399.03, 248,031.73 and 64,143.76 is: 96,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,399.03 : 248,031.73 = 64,143.76 : x
  2. Step 2: Convert to fraction form
    165,399.03/248,031.73 = 64,143.76/x
  3. Step 3: Cross multiply
    165,399.03x = 248,031.73 × 64,143.76
  4. Step 4: Simplify right side
    165,399.03x = 15,909,687,761.50
  5. Step 5: Solve for x
    x = 15,909,687,761.50/165,399.03
  6. Step 6: Final answer
    x = 96,189.73

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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.