Home / 168,129.33-232,018.77-91,649.04

Finding the Fourth Proportional to 168,129.33, 232,018.77 and 91,649.04

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Solution

The fourth proportional to 168,129.33, 232,018.77 and 91,649.04 is: 126,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.33 : 232,018.77 = 91,649.04 : x
  2. Step 2: Convert to fraction form
    168,129.33/232,018.77 = 91,649.04/x
  3. Step 3: Cross multiply
    168,129.33x = 232,018.77 × 91,649.04
  4. Step 4: Simplify right side
    168,129.33x = 21,264,297,532.48
  5. Step 5: Solve for x
    x = 21,264,297,532.48/168,129.33
  6. Step 6: Final answer
    x = 126,475.84

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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.