Home / 118,221.62-163,152.09-67,923.86

Finding the Fourth Proportional to 118,221.62, 163,152.09 and 67,923.86

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Solution

The fourth proportional to 118,221.62, 163,152.09 and 67,923.86 is: 93,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,221.62 : 163,152.09 = 67,923.86 : x
  2. Step 2: Convert to fraction form
    118,221.62/163,152.09 = 67,923.86/x
  3. Step 3: Cross multiply
    118,221.62x = 163,152.09 × 67,923.86
  4. Step 4: Simplify right side
    118,221.62x = 11,081,919,719.87
  5. Step 5: Solve for x
    x = 11,081,919,719.87/118,221.62
  6. Step 6: Final answer
    x = 93,738.52

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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.