Home / 125,027.84-187,611.90-124,078.36

Finding the Fourth Proportional to 125,027.84, 187,611.90 and 124,078.36

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Solution

The fourth proportional to 125,027.84, 187,611.90 and 124,078.36 is: 186,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,027.84 : 187,611.90 = 124,078.36 : x
  2. Step 2: Convert to fraction form
    125,027.84/187,611.90 = 124,078.36/x
  3. Step 3: Cross multiply
    125,027.84x = 187,611.90 × 124,078.36
  4. Step 4: Simplify right side
    125,027.84x = 23,278,576,868.48
  5. Step 5: Solve for x
    x = 23,278,576,868.48/125,027.84
  6. Step 6: Final answer
    x = 186,187.15

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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.