Home / 150,490.46-207,679.18-82,513.64

Finding the Fourth Proportional to 150,490.46, 207,679.18 and 82,513.64

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Solution

The fourth proportional to 150,490.46, 207,679.18 and 82,513.64 is: 113,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,490.46 : 207,679.18 = 82,513.64 : x
  2. Step 2: Convert to fraction form
    150,490.46/207,679.18 = 82,513.64/x
  3. Step 3: Cross multiply
    150,490.46x = 207,679.18 × 82,513.64
  4. Step 4: Simplify right side
    150,490.46x = 17,136,365,094.02
  5. Step 5: Solve for x
    x = 17,136,365,094.02/150,490.46
  6. Step 6: Final answer
    x = 113,870.11

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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.