Home / 276,548.50-415,172.85-169,669.81

Finding the Fourth Proportional to 276,548.50, 415,172.85 and 169,669.81

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Solution

The fourth proportional to 276,548.50, 415,172.85 and 169,669.81 is: 254,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,548.50 : 415,172.85 = 169,669.81 : x
  2. Step 2: Convert to fraction form
    276,548.50/415,172.85 = 169,669.81/x
  3. Step 3: Cross multiply
    276,548.50x = 415,172.85 × 169,669.81
  4. Step 4: Simplify right side
    276,548.50x = 70,442,298,576.66
  5. Step 5: Solve for x
    x = 70,442,298,576.66/276,548.50
  6. Step 6: Final answer
    x = 254,719.51

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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.