Home / 149,108.30-223,516.65-133,361.90

Finding the Fourth Proportional to 149,108.30, 223,516.65 and 133,361.90

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Solution

The fourth proportional to 149,108.30, 223,516.65 and 133,361.90 is: 199,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,108.30 : 223,516.65 = 133,361.90 : x
  2. Step 2: Convert to fraction form
    149,108.30/223,516.65 = 133,361.90/x
  3. Step 3: Cross multiply
    149,108.30x = 223,516.65 × 133,361.90
  4. Step 4: Simplify right side
    149,108.30x = 29,808,605,125.64
  5. Step 5: Solve for x
    x = 29,808,605,125.64/149,108.30
  6. Step 6: Final answer
    x = 199,912.45

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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.