Home / 150,954.35-208,319.13-82,977.89

Finding the Fourth Proportional to 150,954.35, 208,319.13 and 82,977.89

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Solution

The fourth proportional to 150,954.35, 208,319.13 and 82,977.89 is: 114,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,954.35 : 208,319.13 = 82,977.89 : x
  2. Step 2: Convert to fraction form
    150,954.35/208,319.13 = 82,977.89/x
  3. Step 3: Cross multiply
    150,954.35x = 208,319.13 × 82,977.89
  4. Step 4: Simplify right side
    150,954.35x = 17,285,880,812.44
  5. Step 5: Solve for x
    x = 17,285,880,812.44/150,954.35
  6. Step 6: Final answer
    x = 114,510.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.