Home / 125,153.80-187,730.60-50,273.96

Finding the Fourth Proportional to 125,153.80, 187,730.60 and 50,273.96

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Solution

The fourth proportional to 125,153.80, 187,730.60 and 50,273.96 is: 75,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,153.80 : 187,730.60 = 50,273.96 : x
  2. Step 2: Convert to fraction form
    125,153.80/187,730.60 = 50,273.96/x
  3. Step 3: Cross multiply
    125,153.80x = 187,730.60 × 50,273.96
  4. Step 4: Simplify right side
    125,153.80x = 9,437,960,675.18
  5. Step 5: Solve for x
    x = 9,437,960,675.18/125,153.80
  6. Step 6: Final answer
    x = 75,410.90

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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.