Home / 112,207.94-168,178.04-52,155.28

Finding the Fourth Proportional to 112,207.94, 168,178.04 and 52,155.28

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Solution

The fourth proportional to 112,207.94, 168,178.04 and 52,155.28 is: 78,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.94 : 168,178.04 = 52,155.28 : x
  2. Step 2: Convert to fraction form
    112,207.94/168,178.04 = 52,155.28/x
  3. Step 3: Cross multiply
    112,207.94x = 168,178.04 × 52,155.28
  4. Step 4: Simplify right side
    112,207.94x = 8,771,372,766.05
  5. Step 5: Solve for x
    x = 8,771,372,766.05/112,207.94
  6. Step 6: Final answer
    x = 78,170.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.