Home / 172,548.28-238,107.54-97,101.64

Finding the Fourth Proportional to 172,548.28, 238,107.54 and 97,101.64

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Solution

The fourth proportional to 172,548.28, 238,107.54 and 97,101.64 is: 133,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,548.28 : 238,107.54 = 97,101.64 : x
  2. Step 2: Convert to fraction form
    172,548.28/238,107.54 = 97,101.64/x
  3. Step 3: Cross multiply
    172,548.28x = 238,107.54 × 97,101.64
  4. Step 4: Simplify right side
    172,548.28x = 23,120,632,630.37
  5. Step 5: Solve for x
    x = 23,120,632,630.37/172,548.28
  6. Step 6: Final answer
    x = 133,995.15

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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.