Home / 118,348.35-163,313.49-64,622.44

Finding the Fourth Proportional to 118,348.35, 163,313.49 and 64,622.44

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Solution

The fourth proportional to 118,348.35, 163,313.49 and 64,622.44 is: 89,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,348.35 : 163,313.49 = 64,622.44 : x
  2. Step 2: Convert to fraction form
    118,348.35/163,313.49 = 64,622.44/x
  3. Step 3: Cross multiply
    118,348.35x = 163,313.49 × 64,622.44
  4. Step 4: Simplify right side
    118,348.35x = 10,553,716,208.72
  5. Step 5: Solve for x
    x = 10,553,716,208.72/118,348.35
  6. Step 6: Final answer
    x = 89,175.02

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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.