Home / 132,464.79-183,282.78-115,504.40

Finding the Fourth Proportional to 132,464.79, 183,282.78 and 115,504.40

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Solution

The fourth proportional to 132,464.79, 183,282.78 and 115,504.40 is: 159,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,464.79 : 183,282.78 = 115,504.40 : x
  2. Step 2: Convert to fraction form
    132,464.79/183,282.78 = 115,504.40/x
  3. Step 3: Cross multiply
    132,464.79x = 183,282.78 × 115,504.40
  4. Step 4: Simplify right side
    132,464.79x = 21,169,967,534.23
  5. Step 5: Solve for x
    x = 21,169,967,534.23/132,464.79
  6. Step 6: Final answer
    x = 159,815.81

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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.