Home / 176,087.10-243,043.56-108,120.36

Finding the Fourth Proportional to 176,087.10, 243,043.56 and 108,120.36

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Solution

The fourth proportional to 176,087.10, 243,043.56 and 108,120.36 is: 149,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,087.10 : 243,043.56 = 108,120.36 : x
  2. Step 2: Convert to fraction form
    176,087.10/243,043.56 = 108,120.36/x
  3. Step 3: Cross multiply
    176,087.10x = 243,043.56 × 108,120.36
  4. Step 4: Simplify right side
    176,087.10x = 26,277,957,202.88
  5. Step 5: Solve for x
    x = 26,277,957,202.88/176,087.10
  6. Step 6: Final answer
    x = 149,232.72

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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.