Home / 125,136.96-187,711.20-46,236.48

Finding the Fourth Proportional to 125,136.96, 187,711.20 and 46,236.48

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Solution

The fourth proportional to 125,136.96, 187,711.20 and 46,236.48 is: 69,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.96 : 187,711.20 = 46,236.48 : x
  2. Step 2: Convert to fraction form
    125,136.96/187,711.20 = 46,236.48/x
  3. Step 3: Cross multiply
    125,136.96x = 187,711.20 × 46,236.48
  4. Step 4: Simplify right side
    125,136.96x = 8,679,105,144.58
  5. Step 5: Solve for x
    x = 8,679,105,144.58/125,136.96
  6. Step 6: Final answer
    x = 69,356.85

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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.