Home / 118,526.80-177,812.34-39,641.44

Finding the Fourth Proportional to 118,526.80, 177,812.34 and 39,641.44

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Solution

The fourth proportional to 118,526.80, 177,812.34 and 39,641.44 is: 59,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,526.80 : 177,812.34 = 39,641.44 : x
  2. Step 2: Convert to fraction form
    118,526.80/177,812.34 = 39,641.44/x
  3. Step 3: Cross multiply
    118,526.80x = 177,812.34 × 39,641.44
  4. Step 4: Simplify right side
    118,526.80x = 7,048,737,207.37
  5. Step 5: Solve for x
    x = 7,048,737,207.37/118,526.80
  6. Step 6: Final answer
    x = 59,469.56

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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.