Home / 125,091.36-187,474.32-95,400

Finding the Fourth Proportional to 125,091.36, 187,474.32 and 95,400

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Solution

The fourth proportional to 125,091.36, 187,474.32 and 95,400 is: 142,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,091.36 : 187,474.32 = 95,400 : x
  2. Step 2: Convert to fraction form
    125,091.36/187,474.32 = 95,400/x
  3. Step 3: Cross multiply
    125,091.36x = 187,474.32 × 95,400
  4. Step 4: Simplify right side
    125,091.36x = 17,885,050,128
  5. Step 5: Solve for x
    x = 17,885,050,128/125,091.36
  6. Step 6: Final answer
    x = 142,975.90

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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.