Home / 165,397.18-228,242.77-93,783.58

Finding the Fourth Proportional to 165,397.18, 228,242.77 and 93,783.58

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Solution

The fourth proportional to 165,397.18, 228,242.77 and 93,783.58 is: 129,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,397.18 : 228,242.77 = 93,783.58 : x
  2. Step 2: Convert to fraction form
    165,397.18/228,242.77 = 93,783.58/x
  3. Step 3: Cross multiply
    165,397.18x = 228,242.77 × 93,783.58
  4. Step 4: Simplify right side
    165,397.18x = 21,405,424,079.72
  5. Step 5: Solve for x
    x = 21,405,424,079.72/165,397.18
  6. Step 6: Final answer
    x = 129,418.31

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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.