Home / 165,259.86-228,049.56-93,638.31

Finding the Fourth Proportional to 165,259.86, 228,049.56 and 93,638.31

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Solution

The fourth proportional to 165,259.86, 228,049.56 and 93,638.31 is: 129,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,259.86 : 228,049.56 = 93,638.31 : x
  2. Step 2: Convert to fraction form
    165,259.86/228,049.56 = 93,638.31/x
  3. Step 3: Cross multiply
    165,259.86x = 228,049.56 × 93,638.31
  4. Step 4: Simplify right side
    165,259.86x = 21,354,175,394.64
  5. Step 5: Solve for x
    x = 21,354,175,394.64/165,259.86
  6. Step 6: Final answer
    x = 129,215.74

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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.