Home / 165,434.64-248,151.99-40,775.64

Finding the Fourth Proportional to 165,434.64, 248,151.99 and 40,775.64

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Solution

The fourth proportional to 165,434.64, 248,151.99 and 40,775.64 is: 61,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,434.64 : 248,151.99 = 40,775.64 : x
  2. Step 2: Convert to fraction form
    165,434.64/248,151.99 = 40,775.64/x
  3. Step 3: Cross multiply
    165,434.64x = 248,151.99 × 40,775.64
  4. Step 4: Simplify right side
    165,434.64x = 10,118,556,209.52
  5. Step 5: Solve for x
    x = 10,118,556,209.52/165,434.64
  6. Step 6: Final answer
    x = 61,163.47

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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.