Home / 118,339.66-163,310.07-64,625.32

Finding the Fourth Proportional to 118,339.66, 163,310.07 and 64,625.32

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Solution

The fourth proportional to 118,339.66, 163,310.07 and 64,625.32 is: 89,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,339.66 : 163,310.07 = 64,625.32 : x
  2. Step 2: Convert to fraction form
    118,339.66/163,310.07 = 64,625.32/x
  3. Step 3: Cross multiply
    118,339.66x = 163,310.07 × 64,625.32
  4. Step 4: Simplify right side
    118,339.66x = 10,553,965,532.97
  5. Step 5: Solve for x
    x = 10,553,965,532.97/118,339.66
  6. Step 6: Final answer
    x = 89,183.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.