Home / 133,274.24-199,739.14-99,731.13

Finding the Fourth Proportional to 133,274.24, 199,739.14 and 99,731.13

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Solution

The fourth proportional to 133,274.24, 199,739.14 and 99,731.13 is: 149,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,274.24 : 199,739.14 = 99,731.13 : x
  2. Step 2: Convert to fraction form
    133,274.24/199,739.14 = 99,731.13/x
  3. Step 3: Cross multiply
    133,274.24x = 199,739.14 × 99,731.13
  4. Step 4: Simplify right side
    133,274.24x = 19,920,209,638.77
  5. Step 5: Solve for x
    x = 19,920,209,638.77/133,274.24
  6. Step 6: Final answer
    x = 149,467.81

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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.