Home / 133,204.38-183,841.29-79,491.66

Finding the Fourth Proportional to 133,204.38, 183,841.29 and 79,491.66

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Solution

The fourth proportional to 133,204.38, 183,841.29 and 79,491.66 is: 109,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204.38 : 183,841.29 = 79,491.66 : x
  2. Step 2: Convert to fraction form
    133,204.38/183,841.29 = 79,491.66/x
  3. Step 3: Cross multiply
    133,204.38x = 183,841.29 × 79,491.66
  4. Step 4: Simplify right side
    133,204.38x = 14,613,849,318.64
  5. Step 5: Solve for x
    x = 14,613,849,318.64/133,204.38
  6. Step 6: Final answer
    x = 109,709.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.