Home / 133,065.56-199,634.79-66,425.24

Finding the Fourth Proportional to 133,065.56, 199,634.79 and 66,425.24

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Solution

The fourth proportional to 133,065.56, 199,634.79 and 66,425.24 is: 99,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.56 : 199,634.79 = 66,425.24 : x
  2. Step 2: Convert to fraction form
    133,065.56/199,634.79 = 66,425.24/x
  3. Step 3: Cross multiply
    133,065.56x = 199,634.79 × 66,425.24
  4. Step 4: Simplify right side
    133,065.56x = 13,260,788,838.10
  5. Step 5: Solve for x
    x = 13,260,788,838.10/133,065.56
  6. Step 6: Final answer
    x = 99,656.06

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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.