Home / 132,945.44-183,464.96-72,516.16

Finding the Fourth Proportional to 132,945.44, 183,464.96 and 72,516.16

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Solution

The fourth proportional to 132,945.44, 183,464.96 and 72,516.16 is: 100,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.44 : 183,464.96 = 72,516.16 : x
  2. Step 2: Convert to fraction form
    132,945.44/183,464.96 = 72,516.16/x
  3. Step 3: Cross multiply
    132,945.44x = 183,464.96 × 72,516.16
  4. Step 4: Simplify right side
    132,945.44x = 13,304,174,393.75
  5. Step 5: Solve for x
    x = 13,304,174,393.75/132,945.44
  6. Step 6: Final answer
    x = 100,072.44

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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.