Home / 132,688.38-183,101.67-73,072.38

Finding the Fourth Proportional to 132,688.38, 183,101.67 and 73,072.38

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Solution

The fourth proportional to 132,688.38, 183,101.67 and 73,072.38 is: 100,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,688.38 : 183,101.67 = 73,072.38 : x
  2. Step 2: Convert to fraction form
    132,688.38/183,101.67 = 73,072.38/x
  3. Step 3: Cross multiply
    132,688.38x = 183,101.67 × 73,072.38
  4. Step 4: Simplify right side
    132,688.38x = 13,379,674,808.87
  5. Step 5: Solve for x
    x = 13,379,674,808.87/132,688.38
  6. Step 6: Final answer
    x = 100,835.32

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1.5x scale

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.