Home / 165,312.37-228,128.54-92,715.25

Finding the Fourth Proportional to 165,312.37, 228,128.54 and 92,715.25

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Solution

The fourth proportional to 165,312.37, 228,128.54 and 92,715.25 is: 127,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,312.37 : 228,128.54 = 92,715.25 : x
  2. Step 2: Convert to fraction form
    165,312.37/228,128.54 = 92,715.25/x
  3. Step 3: Cross multiply
    165,312.37x = 228,128.54 × 92,715.25
  4. Step 4: Simplify right side
    165,312.37x = 21,150,994,618.24
  5. Step 5: Solve for x
    x = 21,150,994,618.24/165,312.37
  6. Step 6: Final answer
    x = 127,945.63

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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.