Home / 118,351.15-177,581.60-51,782.51

Finding the Fourth Proportional to 118,351.15, 177,581.60 and 51,782.51

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Solution

The fourth proportional to 118,351.15, 177,581.60 and 51,782.51 is: 77,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.15 : 177,581.60 = 51,782.51 : x
  2. Step 2: Convert to fraction form
    118,351.15/177,581.60 = 51,782.51/x
  3. Step 3: Cross multiply
    118,351.15x = 177,581.60 × 51,782.51
  4. Step 4: Simplify right side
    118,351.15x = 9,195,620,977.82
  5. Step 5: Solve for x
    x = 9,195,620,977.82/118,351.15
  6. Step 6: Final answer
    x = 77,697.77

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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.