Home / 165,741.41-228,712.38-97,742.80

Finding the Fourth Proportional to 165,741.41, 228,712.38 and 97,742.80

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Solution

The fourth proportional to 165,741.41, 228,712.38 and 97,742.80 is: 134,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.41 : 228,712.38 = 97,742.80 : x
  2. Step 2: Convert to fraction form
    165,741.41/228,712.38 = 97,742.80/x
  3. Step 3: Cross multiply
    165,741.41x = 228,712.38 × 97,742.80
  4. Step 4: Simplify right side
    165,741.41x = 22,354,988,415.86
  5. Step 5: Solve for x
    x = 22,354,988,415.86/165,741.41
  6. Step 6: Final answer
    x = 134,878.72

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1.5x scale

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.