Home / 142,621.68-213,915.84-37,448.85

Finding the Fourth Proportional to 142,621.68, 213,915.84 and 37,448.85

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Solution

The fourth proportional to 142,621.68, 213,915.84 and 37,448.85 is: 56,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,621.68 : 213,915.84 = 37,448.85 : x
  2. Step 2: Convert to fraction form
    142,621.68/213,915.84 = 37,448.85/x
  3. Step 3: Cross multiply
    142,621.68x = 213,915.84 × 37,448.85
  4. Step 4: Simplify right side
    142,621.68x = 8,010,902,204.78
  5. Step 5: Solve for x
    x = 8,010,902,204.78/142,621.68
  6. Step 6: Final answer
    x = 56,168.90

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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.