Home / 136,792.44-188,355.68-123,962.16

Finding the Fourth Proportional to 136,792.44, 188,355.68 and 123,962.16

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Solution

The fourth proportional to 136,792.44, 188,355.68 and 123,962.16 is: 170,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,792.44 : 188,355.68 = 123,962.16 : x
  2. Step 2: Convert to fraction form
    136,792.44/188,355.68 = 123,962.16/x
  3. Step 3: Cross multiply
    136,792.44x = 188,355.68 × 123,962.16
  4. Step 4: Simplify right side
    136,792.44x = 23,348,976,941.07
  5. Step 5: Solve for x
    x = 23,348,976,941.07/136,792.44
  6. Step 6: Final answer
    x = 170,689.09

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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.