Home / 165,061.20-227,779.92-93,440.64

Finding the Fourth Proportional to 165,061.20, 227,779.92 and 93,440.64

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Solution

The fourth proportional to 165,061.20, 227,779.92 and 93,440.64 is: 128,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,061.20 : 227,779.92 = 93,440.64 : x
  2. Step 2: Convert to fraction form
    165,061.20/227,779.92 = 93,440.64/x
  3. Step 3: Cross multiply
    165,061.20x = 227,779.92 × 93,440.64
  4. Step 4: Simplify right side
    165,061.20x = 21,283,901,503.95
  5. Step 5: Solve for x
    x = 21,283,901,503.95/165,061.20
  6. Step 6: Final answer
    x = 128,945.52

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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.