Home / 163,865.25-245,811.22-45,536.60

Finding the Fourth Proportional to 163,865.25, 245,811.22 and 45,536.60

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Solution

The fourth proportional to 163,865.25, 245,811.22 and 45,536.60 is: 68,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,865.25 : 245,811.22 = 45,536.60 : x
  2. Step 2: Convert to fraction form
    163,865.25/245,811.22 = 45,536.60/x
  3. Step 3: Cross multiply
    163,865.25x = 245,811.22 × 45,536.60
  4. Step 4: Simplify right side
    163,865.25x = 11,193,407,701.34
  5. Step 5: Solve for x
    x = 11,193,407,701.34/163,865.25
  6. Step 6: Final answer
    x = 68,308.61

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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.