Home / 197,139.08-295,733.22-77,180.54

Finding the Fourth Proportional to 197,139.08, 295,733.22 and 77,180.54

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Solution

The fourth proportional to 197,139.08, 295,733.22 and 77,180.54 is: 115,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,139.08 : 295,733.22 = 77,180.54 : x
  2. Step 2: Convert to fraction form
    197,139.08/295,733.22 = 77,180.54/x
  3. Step 3: Cross multiply
    197,139.08x = 295,733.22 × 77,180.54
  4. Step 4: Simplify right side
    197,139.08x = 22,824,849,615.54
  5. Step 5: Solve for x
    x = 22,824,849,615.54/197,139.08
  6. Step 6: Final answer
    x = 115,780.44

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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.