Home / 119,986.38-165,602.45-68,995.15

Finding the Fourth Proportional to 119,986.38, 165,602.45 and 68,995.15

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Solution

The fourth proportional to 119,986.38, 165,602.45 and 68,995.15 is: 95,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,986.38 : 165,602.45 = 68,995.15 : x
  2. Step 2: Convert to fraction form
    119,986.38/165,602.45 = 68,995.15/x
  3. Step 3: Cross multiply
    119,986.38x = 165,602.45 × 68,995.15
  4. Step 4: Simplify right side
    119,986.38x = 11,425,765,636.60
  5. Step 5: Solve for x
    x = 11,425,765,636.60/119,986.38
  6. Step 6: Final answer
    x = 95,225.52

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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.