Home / 118,312.94-163,286.18-67,338.07

Finding the Fourth Proportional to 118,312.94, 163,286.18 and 67,338.07

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Solution

The fourth proportional to 118,312.94, 163,286.18 and 67,338.07 is: 92,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,312.94 : 163,286.18 = 67,338.07 : x
  2. Step 2: Convert to fraction form
    118,312.94/163,286.18 = 67,338.07/x
  3. Step 3: Cross multiply
    118,312.94x = 163,286.18 × 67,338.07
  4. Step 4: Simplify right side
    118,312.94x = 10,995,376,218.87
  5. Step 5: Solve for x
    x = 10,995,376,218.87/118,312.94
  6. Step 6: Final answer
    x = 92,934.69

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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.