Home / 119,941.48-165,519.50-66,226.60

Finding the Fourth Proportional to 119,941.48, 165,519.50 and 66,226.60

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Solution

The fourth proportional to 119,941.48, 165,519.50 and 66,226.60 is: 91,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,941.48 : 165,519.50 = 66,226.60 : x
  2. Step 2: Convert to fraction form
    119,941.48/165,519.50 = 66,226.60/x
  3. Step 3: Cross multiply
    119,941.48x = 165,519.50 × 66,226.60
  4. Step 4: Simplify right side
    119,941.48x = 10,961,793,718.70
  5. Step 5: Solve for x
    x = 10,961,793,718.70/119,941.48
  6. Step 6: Final answer
    x = 91,392.85

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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.