Home / 118,009.30-176,989.34-43,164.70

Finding the Fourth Proportional to 118,009.30, 176,989.34 and 43,164.70

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Solution

The fourth proportional to 118,009.30, 176,989.34 and 43,164.70 is: 64,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,009.30 : 176,989.34 = 43,164.70 : x
  2. Step 2: Convert to fraction form
    118,009.30/176,989.34 = 43,164.70/x
  3. Step 3: Cross multiply
    118,009.30x = 176,989.34 × 43,164.70
  4. Step 4: Simplify right side
    118,009.30x = 7,639,691,764.30
  5. Step 5: Solve for x
    x = 7,639,691,764.30/118,009.30
  6. Step 6: Final answer
    x = 64,738.05

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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.