Home / 132,944.96-183,464.63-72,516.90

Finding the Fourth Proportional to 132,944.96, 183,464.63 and 72,516.90

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Solution

The fourth proportional to 132,944.96, 183,464.63 and 72,516.90 is: 100,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,944.96 : 183,464.63 = 72,516.90 : x
  2. Step 2: Convert to fraction form
    132,944.96/183,464.63 = 72,516.90/x
  3. Step 3: Cross multiply
    132,944.96x = 183,464.63 × 72,516.90
  4. Step 4: Simplify right side
    132,944.96x = 13,304,285,864.66
  5. Step 5: Solve for x
    x = 13,304,285,864.66/132,944.96
  6. Step 6: Final answer
    x = 100,073.64

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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.