Home / 165,728.05-228,690.77-93,125.41

Finding the Fourth Proportional to 165,728.05, 228,690.77 and 93,125.41

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Solution

The fourth proportional to 165,728.05, 228,690.77 and 93,125.41 is: 128,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.05 : 228,690.77 = 93,125.41 : x
  2. Step 2: Convert to fraction form
    165,728.05/228,690.77 = 93,125.41/x
  3. Step 3: Cross multiply
    165,728.05x = 228,690.77 × 93,125.41
  4. Step 4: Simplify right side
    165,728.05x = 21,296,921,253.84
  5. Step 5: Solve for x
    x = 21,296,921,253.84/165,728.05
  6. Step 6: Final answer
    x = 128,505.23

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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.