Home / 133,098.69-199,682.60-66,536.13

Finding the Fourth Proportional to 133,098.69, 199,682.60 and 66,536.13

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Solution

The fourth proportional to 133,098.69, 199,682.60 and 66,536.13 is: 99,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,098.69 : 199,682.60 = 66,536.13 : x
  2. Step 2: Convert to fraction form
    133,098.69/199,682.60 = 66,536.13/x
  3. Step 3: Cross multiply
    133,098.69x = 199,682.60 × 66,536.13
  4. Step 4: Simplify right side
    133,098.69x = 13,286,107,432.34
  5. Step 5: Solve for x
    x = 13,286,107,432.34/133,098.69
  6. Step 6: Final answer
    x = 99,821.47

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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.