Home / 165,741.42-228,706.02-93,132.78

Finding the Fourth Proportional to 165,741.42, 228,706.02 and 93,132.78

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Solution

The fourth proportional to 165,741.42, 228,706.02 and 93,132.78 is: 128,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.42 : 228,706.02 = 93,132.78 : x
  2. Step 2: Convert to fraction form
    165,741.42/228,706.02 = 93,132.78/x
  3. Step 3: Cross multiply
    165,741.42x = 228,706.02 × 93,132.78
  4. Step 4: Simplify right side
    165,741.42x = 21,300,027,445.34
  5. Step 5: Solve for x
    x = 21,300,027,445.34/165,741.42
  6. Step 6: Final answer
    x = 128,513.61

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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.