Home / 133,001.90-199,593.23-54,130.49

Finding the Fourth Proportional to 133,001.90, 199,593.23 and 54,130.49

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Solution

The fourth proportional to 133,001.90, 199,593.23 and 54,130.49 is: 81,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001.90 : 199,593.23 = 54,130.49 : x
  2. Step 2: Convert to fraction form
    133,001.90/199,593.23 = 54,130.49/x
  3. Step 3: Cross multiply
    133,001.90x = 199,593.23 × 54,130.49
  4. Step 4: Simplify right side
    133,001.90x = 10,804,078,071.96
  5. Step 5: Solve for x
    x = 10,804,078,071.96/133,001.90
  6. Step 6: Final answer
    x = 81,232.51

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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.