Home / 176,623.60-243,795.36-108,661.36

Finding the Fourth Proportional to 176,623.60, 243,795.36 and 108,661.36

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Solution

The fourth proportional to 176,623.60, 243,795.36 and 108,661.36 is: 149,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,623.60 : 243,795.36 = 108,661.36 : x
  2. Step 2: Convert to fraction form
    176,623.60/243,795.36 = 108,661.36/x
  3. Step 3: Cross multiply
    176,623.60x = 243,795.36 × 108,661.36
  4. Step 4: Simplify right side
    176,623.60x = 26,491,135,379.29
  5. Step 5: Solve for x
    x = 26,491,135,379.29/176,623.60
  6. Step 6: Final answer
    x = 149,986.39

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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.