Home / 118,819.33-163,990.13-67,834.18

Finding the Fourth Proportional to 118,819.33, 163,990.13 and 67,834.18

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Solution

The fourth proportional to 118,819.33, 163,990.13 and 67,834.18 is: 93,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,819.33 : 163,990.13 = 67,834.18 : x
  2. Step 2: Convert to fraction form
    118,819.33/163,990.13 = 67,834.18/x
  3. Step 3: Cross multiply
    118,819.33x = 163,990.13 × 67,834.18
  4. Step 4: Simplify right side
    118,819.33x = 11,124,135,996.64
  5. Step 5: Solve for x
    x = 11,124,135,996.64/118,819.33
  6. Step 6: Final answer
    x = 93,622.28

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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.