Home / 165,742.41-228,713.76-97,743.80

Finding the Fourth Proportional to 165,742.41, 228,713.76 and 97,743.80

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Solution

The fourth proportional to 165,742.41, 228,713.76 and 97,743.80 is: 134,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.41 : 228,713.76 = 97,743.80 : x
  2. Step 2: Convert to fraction form
    165,742.41/228,713.76 = 97,743.80/x
  3. Step 3: Cross multiply
    165,742.41x = 228,713.76 × 97,743.80
  4. Step 4: Simplify right side
    165,742.41x = 22,355,352,014.69
  5. Step 5: Solve for x
    x = 22,355,352,014.69/165,742.41
  6. Step 6: Final answer
    x = 134,880.10

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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.