Home / 118,125.72-177,136.62-43,226.40

Finding the Fourth Proportional to 118,125.72, 177,136.62 and 43,226.40

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Solution

The fourth proportional to 118,125.72, 177,136.62 and 43,226.40 is: 64,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.72 : 177,136.62 = 43,226.40 : x
  2. Step 2: Convert to fraction form
    118,125.72/177,136.62 = 43,226.40/x
  3. Step 3: Cross multiply
    118,125.72x = 177,136.62 × 43,226.40
  4. Step 4: Simplify right side
    118,125.72x = 7,656,978,390.77
  5. Step 5: Solve for x
    x = 7,656,978,390.77/118,125.72
  6. Step 6: Final answer
    x = 64,820.59

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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.