Home / 132,607.11-183,002.64-72,174.83

Finding the Fourth Proportional to 132,607.11, 183,002.64 and 72,174.83

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Solution

The fourth proportional to 132,607.11, 183,002.64 and 72,174.83 is: 99,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,607.11 : 183,002.64 = 72,174.83 : x
  2. Step 2: Convert to fraction form
    132,607.11/183,002.64 = 72,174.83/x
  3. Step 3: Cross multiply
    132,607.11x = 183,002.64 × 72,174.83
  4. Step 4: Simplify right side
    132,607.11x = 13,208,183,516.54
  5. Step 5: Solve for x
    x = 13,208,183,516.54/132,607.11
  6. Step 6: Final answer
    x = 99,603.89

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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.