Home / 181,968.30-272,304.45-115,440.30

Finding the Fourth Proportional to 181,968.30, 272,304.45 and 115,440.30

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Solution

The fourth proportional to 181,968.30, 272,304.45 and 115,440.30 is: 172,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968.30 : 272,304.45 = 115,440.30 : x
  2. Step 2: Convert to fraction form
    181,968.30/272,304.45 = 115,440.30/x
  3. Step 3: Cross multiply
    181,968.30x = 272,304.45 × 115,440.30
  4. Step 4: Simplify right side
    181,968.30x = 31,434,907,399.34
  5. Step 5: Solve for x
    x = 31,434,907,399.34/181,968.30
  6. Step 6: Final answer
    x = 172,749.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.