Home / 118,310.19-163,282.38-67,335.32

Finding the Fourth Proportional to 118,310.19, 163,282.38 and 67,335.32

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Solution

The fourth proportional to 118,310.19, 163,282.38 and 67,335.32 is: 92,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,310.19 : 163,282.38 = 67,335.32 : x
  2. Step 2: Convert to fraction form
    118,310.19/163,282.38 = 67,335.32/x
  3. Step 3: Cross multiply
    118,310.19x = 163,282.38 × 67,335.32
  4. Step 4: Simplify right side
    118,310.19x = 10,994,670,923.66
  5. Step 5: Solve for x
    x = 10,994,670,923.66/118,310.19
  6. Step 6: Final answer
    x = 92,930.89

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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.