Home / 165,763.52-248,586.72-53,439.20

Finding the Fourth Proportional to 165,763.52, 248,586.72 and 53,439.20

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Solution

The fourth proportional to 165,763.52, 248,586.72 and 53,439.20 is: 80,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763.52 : 248,586.72 = 53,439.20 : x
  2. Step 2: Convert to fraction form
    165,763.52/248,586.72 = 53,439.20/x
  3. Step 3: Cross multiply
    165,763.52x = 248,586.72 × 53,439.20
  4. Step 4: Simplify right side
    165,763.52x = 13,284,275,447.42
  5. Step 5: Solve for x
    x = 13,284,275,447.42/165,763.52
  6. Step 6: Final answer
    x = 80,139.92

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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.