Home / 119,934.69-165,512.46-66,223.11

Finding the Fourth Proportional to 119,934.69, 165,512.46 and 66,223.11

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Solution

The fourth proportional to 119,934.69, 165,512.46 and 66,223.11 is: 91,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.69 : 165,512.46 = 66,223.11 : x
  2. Step 2: Convert to fraction form
    119,934.69/165,512.46 = 66,223.11/x
  3. Step 3: Cross multiply
    119,934.69x = 165,512.46 × 66,223.11
  4. Step 4: Simplify right side
    119,934.69x = 10,960,749,513.84
  5. Step 5: Solve for x
    x = 10,960,749,513.84/119,934.69
  6. Step 6: Final answer
    x = 91,389.32

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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.