Home / 118,529.30-177,819.55-35,431.70

Finding the Fourth Proportional to 118,529.30, 177,819.55 and 35,431.70

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Solution

The fourth proportional to 118,529.30, 177,819.55 and 35,431.70 is: 53,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.30 : 177,819.55 = 35,431.70 : x
  2. Step 2: Convert to fraction form
    118,529.30/177,819.55 = 35,431.70/x
  3. Step 3: Cross multiply
    118,529.30x = 177,819.55 × 35,431.70
  4. Step 4: Simplify right side
    118,529.30x = 6,300,448,949.74
  5. Step 5: Solve for x
    x = 6,300,448,949.74/118,529.30
  6. Step 6: Final answer
    x = 53,155.20

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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.