Home / 118,021.66-177,065.34-51,467.68

Finding the Fourth Proportional to 118,021.66, 177,065.34 and 51,467.68

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Solution

The fourth proportional to 118,021.66, 177,065.34 and 51,467.68 is: 77,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.66 : 177,065.34 = 51,467.68 : x
  2. Step 2: Convert to fraction form
    118,021.66/177,065.34 = 51,467.68/x
  3. Step 3: Cross multiply
    118,021.66x = 177,065.34 × 51,467.68
  4. Step 4: Simplify right side
    118,021.66x = 9,113,142,258.21
  5. Step 5: Solve for x
    x = 9,113,142,258.21/118,021.66
  6. Step 6: Final answer
    x = 77,215.85

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1.5x scale

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.