Home / 118,401.85-177,604.35-39,516.05

Finding the Fourth Proportional to 118,401.85, 177,604.35 and 39,516.05

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Solution

The fourth proportional to 118,401.85, 177,604.35 and 39,516.05 is: 59,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,401.85 : 177,604.35 = 39,516.05 : x
  2. Step 2: Convert to fraction form
    118,401.85/177,604.35 = 39,516.05/x
  3. Step 3: Cross multiply
    118,401.85x = 177,604.35 × 39,516.05
  4. Step 4: Simplify right side
    118,401.85x = 7,018,222,670.64
  5. Step 5: Solve for x
    x = 7,018,222,670.64/118,401.85
  6. Step 6: Final answer
    x = 59,274.60

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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.