Home / 165,911.86-228,955.44-90,460.36

Finding the Fourth Proportional to 165,911.86, 228,955.44 and 90,460.36

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Solution

The fourth proportional to 165,911.86, 228,955.44 and 90,460.36 is: 124,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,911.86 : 228,955.44 = 90,460.36 : x
  2. Step 2: Convert to fraction form
    165,911.86/228,955.44 = 90,460.36/x
  3. Step 3: Cross multiply
    165,911.86x = 228,955.44 × 90,460.36
  4. Step 4: Simplify right side
    165,911.86x = 20,711,391,526.36
  5. Step 5: Solve for x
    x = 20,711,391,526.36/165,911.86
  6. Step 6: Final answer
    x = 124,833.70

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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.