Home / 119,884.74-165,433.86-66,168.38

Finding the Fourth Proportional to 119,884.74, 165,433.86 and 66,168.38

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Solution

The fourth proportional to 119,884.74, 165,433.86 and 66,168.38 is: 91,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,884.74 : 165,433.86 = 66,168.38 : x
  2. Step 2: Convert to fraction form
    119,884.74/165,433.86 = 66,168.38/x
  3. Step 3: Cross multiply
    119,884.74x = 165,433.86 × 66,168.38
  4. Step 4: Simplify right side
    119,884.74x = 10,946,489,686.18
  5. Step 5: Solve for x
    x = 10,946,489,686.18/119,884.74
  6. Step 6: Final answer
    x = 91,308.45

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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.