Home / 165,629.45-248,483.82-53,320.17

Finding the Fourth Proportional to 165,629.45, 248,483.82 and 53,320.17

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Solution

The fourth proportional to 165,629.45, 248,483.82 and 53,320.17 is: 79,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.45 : 248,483.82 = 53,320.17 : x
  2. Step 2: Convert to fraction form
    165,629.45/248,483.82 = 53,320.17/x
  3. Step 3: Cross multiply
    165,629.45x = 248,483.82 × 53,320.17
  4. Step 4: Simplify right side
    165,629.45x = 13,249,199,258.05
  5. Step 5: Solve for x
    x = 13,249,199,258.05/165,629.45
  6. Step 6: Final answer
    x = 79,993.02

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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.