Home / 172,914.64-238,621.72-96,433.82

Finding the Fourth Proportional to 172,914.64, 238,621.72 and 96,433.82

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Solution

The fourth proportional to 172,914.64, 238,621.72 and 96,433.82 is: 133,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,914.64 : 238,621.72 = 96,433.82 : x
  2. Step 2: Convert to fraction form
    172,914.64/238,621.72 = 96,433.82/x
  3. Step 3: Cross multiply
    172,914.64x = 238,621.72 × 96,433.82
  4. Step 4: Simplify right side
    172,914.64x = 23,011,203,994.57
  5. Step 5: Solve for x
    x = 23,011,203,994.57/172,914.64
  6. Step 6: Final answer
    x = 133,078.40

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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.