Home / 125,880.41-189,509.69-114,857.93

Finding the Fourth Proportional to 125,880.41, 189,509.69 and 114,857.93

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Solution

The fourth proportional to 125,880.41, 189,509.69 and 114,857.93 is: 172,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.41 : 189,509.69 = 114,857.93 : x
  2. Step 2: Convert to fraction form
    125,880.41/189,509.69 = 114,857.93/x
  3. Step 3: Cross multiply
    125,880.41x = 189,509.69 × 114,857.93
  4. Step 4: Simplify right side
    125,880.41x = 21,766,691,469.26
  5. Step 5: Solve for x
    x = 21,766,691,469.26/125,880.41
  6. Step 6: Final answer
    x = 172,915.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.