Home / 172,743.89-238,259.67-114,495.28

Finding the Fourth Proportional to 172,743.89, 238,259.67 and 114,495.28

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Solution

The fourth proportional to 172,743.89, 238,259.67 and 114,495.28 is: 157,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,743.89 : 238,259.67 = 114,495.28 : x
  2. Step 2: Convert to fraction form
    172,743.89/238,259.67 = 114,495.28/x
  3. Step 3: Cross multiply
    172,743.89x = 238,259.67 × 114,495.28
  4. Step 4: Simplify right side
    172,743.89x = 27,279,607,629.36
  5. Step 5: Solve for x
    x = 27,279,607,629.36/172,743.89
  6. Step 6: Final answer
    x = 157,919.38

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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.