Home / 136,394.22-188,210.61-75,962.82

Finding the Fourth Proportional to 136,394.22, 188,210.61 and 75,962.82

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Solution

The fourth proportional to 136,394.22, 188,210.61 and 75,962.82 is: 104,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,394.22 : 188,210.61 = 75,962.82 : x
  2. Step 2: Convert to fraction form
    136,394.22/188,210.61 = 75,962.82/x
  3. Step 3: Cross multiply
    136,394.22x = 188,210.61 × 75,962.82
  4. Step 4: Simplify right side
    136,394.22x = 14,297,008,689.52
  5. Step 5: Solve for x
    x = 14,297,008,689.52/136,394.22
  6. Step 6: Final answer
    x = 104,821.22

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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.