Home / 165,740.41-228,711-97,741.80

Finding the Fourth Proportional to 165,740.41, 228,711 and 97,741.80

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Solution

The fourth proportional to 165,740.41, 228,711 and 97,741.80 is: 134,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740.41 : 228,711 = 97,741.80 : x
  2. Step 2: Convert to fraction form
    165,740.41/228,711 = 97,741.80/x
  3. Step 3: Cross multiply
    165,740.41x = 228,711 × 97,741.80
  4. Step 4: Simplify right side
    165,740.41x = 22,354,624,819.80
  5. Step 5: Solve for x
    x = 22,354,624,819.80/165,740.41
  6. Step 6: Final answer
    x = 134,877.34

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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.