Home / 142,536.26-196,720.90-82,095.28

Finding the Fourth Proportional to 142,536.26, 196,720.90 and 82,095.28

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Solution

The fourth proportional to 142,536.26, 196,720.90 and 82,095.28 is: 113,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,536.26 : 196,720.90 = 82,095.28 : x
  2. Step 2: Convert to fraction form
    142,536.26/196,720.90 = 82,095.28/x
  3. Step 3: Cross multiply
    142,536.26x = 196,720.90 × 82,095.28
  4. Step 4: Simplify right side
    142,536.26x = 16,149,857,367.35
  5. Step 5: Solve for x
    x = 16,149,857,367.35/142,536.26
  6. Step 6: Final answer
    x = 113,303.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.