Home / 118,885.64-178,216.82-39,944.66

Finding the Fourth Proportional to 118,885.64, 178,216.82 and 39,944.66

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Solution

The fourth proportional to 118,885.64, 178,216.82 and 39,944.66 is: 59,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,885.64 : 178,216.82 = 39,944.66 : x
  2. Step 2: Convert to fraction form
    118,885.64/178,216.82 = 39,944.66/x
  3. Step 3: Cross multiply
    118,885.64x = 178,216.82 × 39,944.66
  4. Step 4: Simplify right side
    118,885.64x = 7,118,809,340.17
  5. Step 5: Solve for x
    x = 7,118,809,340.17/118,885.64
  6. Step 6: Final answer
    x = 59,879.47

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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.