Home / 119,766.45-165,274.16-66,051.45

Finding the Fourth Proportional to 119,766.45, 165,274.16 and 66,051.45

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Solution

The fourth proportional to 119,766.45, 165,274.16 and 66,051.45 is: 91,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,766.45 : 165,274.16 = 66,051.45 : x
  2. Step 2: Convert to fraction form
    119,766.45/165,274.16 = 66,051.45/x
  3. Step 3: Cross multiply
    119,766.45x = 165,274.16 × 66,051.45
  4. Step 4: Simplify right side
    119,766.45x = 10,916,597,585.27
  5. Step 5: Solve for x
    x = 10,916,597,585.27/119,766.45
  6. Step 6: Final answer
    x = 91,149.05

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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.