Home / 132,808.92-183,269.16-76,216.56

Finding the Fourth Proportional to 132,808.92, 183,269.16 and 76,216.56

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Solution

The fourth proportional to 132,808.92, 183,269.16 and 76,216.56 is: 105,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808.92 : 183,269.16 = 76,216.56 : x
  2. Step 2: Convert to fraction form
    132,808.92/183,269.16 = 76,216.56/x
  3. Step 3: Cross multiply
    132,808.92x = 183,269.16 × 76,216.56
  4. Step 4: Simplify right side
    132,808.92x = 13,968,144,929.29
  5. Step 5: Solve for x
    x = 13,968,144,929.29/132,808.92
  6. Step 6: Final answer
    x = 105,174.75

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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.