Home / 132,688.13-183,101.33-73,072.13

Finding the Fourth Proportional to 132,688.13, 183,101.33 and 73,072.13

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Solution

The fourth proportional to 132,688.13, 183,101.33 and 73,072.13 is: 100,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,688.13 : 183,101.33 = 73,072.13 : x
  2. Step 2: Convert to fraction form
    132,688.13/183,101.33 = 73,072.13/x
  3. Step 3: Cross multiply
    132,688.13x = 183,101.33 × 73,072.13
  4. Step 4: Simplify right side
    132,688.13x = 13,379,603,823.57
  5. Step 5: Solve for x
    x = 13,379,603,823.57/132,688.13
  6. Step 6: Final answer
    x = 100,834.97

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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.