Home / 165,484.47-228,361.35-91,892.34

Finding the Fourth Proportional to 165,484.47, 228,361.35 and 91,892.34

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Solution

The fourth proportional to 165,484.47, 228,361.35 and 91,892.34 is: 126,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,484.47 : 228,361.35 = 91,892.34 : x
  2. Step 2: Convert to fraction form
    165,484.47/228,361.35 = 91,892.34/x
  3. Step 3: Cross multiply
    165,484.47x = 228,361.35 × 91,892.34
  4. Step 4: Simplify right side
    165,484.47x = 20,984,658,817.06
  5. Step 5: Solve for x
    x = 20,984,658,817.06/165,484.47
  6. Step 6: Final answer
    x = 126,807.42

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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.