Home / 105,422.67-158,122.26-26,536.86

Finding the Fourth Proportional to 105,422.67, 158,122.26 and 26,536.86

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Solution

The fourth proportional to 105,422.67, 158,122.26 and 26,536.86 is: 39,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,422.67 : 158,122.26 = 26,536.86 : x
  2. Step 2: Convert to fraction form
    105,422.67/158,122.26 = 26,536.86/x
  3. Step 3: Cross multiply
    105,422.67x = 158,122.26 × 26,536.86
  4. Step 4: Simplify right side
    105,422.67x = 4,196,068,276.50
  5. Step 5: Solve for x
    x = 4,196,068,276.50/105,422.67
  6. Step 6: Final answer
    x = 39,802.33

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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.