Home / 161,541.65-222,996.39-115,004.51

Finding the Fourth Proportional to 161,541.65, 222,996.39 and 115,004.51

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Solution

The fourth proportional to 161,541.65, 222,996.39 and 115,004.51 is: 158,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.65 : 222,996.39 = 115,004.51 : x
  2. Step 2: Convert to fraction form
    161,541.65/222,996.39 = 115,004.51/x
  3. Step 3: Cross multiply
    161,541.65x = 222,996.39 × 115,004.51
  4. Step 4: Simplify right side
    161,541.65x = 25,645,589,448.74
  5. Step 5: Solve for x
    x = 25,645,589,448.74/161,541.65
  6. Step 6: Final answer
    x = 158,755.28

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1.5x scale

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.