Home / 118,738.14-163,874.22-67,739.13

Finding the Fourth Proportional to 118,738.14, 163,874.22 and 67,739.13

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Solution

The fourth proportional to 118,738.14, 163,874.22 and 67,739.13 is: 93,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,738.14 : 163,874.22 = 67,739.13 : x
  2. Step 2: Convert to fraction form
    118,738.14/163,874.22 = 67,739.13/x
  3. Step 3: Cross multiply
    118,738.14x = 163,874.22 × 67,739.13
  4. Step 4: Simplify right side
    118,738.14x = 11,100,697,092.23
  5. Step 5: Solve for x
    x = 11,100,697,092.23/118,738.14
  6. Step 6: Final answer
    x = 93,488.89

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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.