Home / 148,051.80-222,315.30-137,136.60

Finding the Fourth Proportional to 148,051.80, 222,315.30 and 137,136.60

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Solution

The fourth proportional to 148,051.80, 222,315.30 and 137,136.60 is: 205,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,051.80 : 222,315.30 = 137,136.60 : x
  2. Step 2: Convert to fraction form
    148,051.80/222,315.30 = 137,136.60/x
  3. Step 3: Cross multiply
    148,051.80x = 222,315.30 × 137,136.60
  4. Step 4: Simplify right side
    148,051.80x = 30,487,564,369.98
  5. Step 5: Solve for x
    x = 30,487,564,369.98/148,051.80
  6. Step 6: Final answer
    x = 205,924.98

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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.