Home / 169,968.10-255,049.35-117,415.30

Finding the Fourth Proportional to 169,968.10, 255,049.35 and 117,415.30

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Solution

The fourth proportional to 169,968.10, 255,049.35 and 117,415.30 is: 176,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.10 : 255,049.35 = 117,415.30 : x
  2. Step 2: Convert to fraction form
    169,968.10/255,049.35 = 117,415.30/x
  3. Step 3: Cross multiply
    169,968.10x = 255,049.35 × 117,415.30
  4. Step 4: Simplify right side
    169,968.10x = 29,946,695,945.06
  5. Step 5: Solve for x
    x = 29,946,695,945.06/169,968.10
  6. Step 6: Final answer
    x = 176,190.10

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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.