Home / 121,564.54-182,288.46-57,469.32

Finding the Fourth Proportional to 121,564.54, 182,288.46 and 57,469.32

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Solution

The fourth proportional to 121,564.54, 182,288.46 and 57,469.32 is: 86,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,564.54 : 182,288.46 = 57,469.32 : x
  2. Step 2: Convert to fraction form
    121,564.54/182,288.46 = 57,469.32/x
  3. Step 3: Cross multiply
    121,564.54x = 182,288.46 × 57,469.32
  4. Step 4: Simplify right side
    121,564.54x = 10,475,993,840.05
  5. Step 5: Solve for x
    x = 10,475,993,840.05/121,564.54
  6. Step 6: Final answer
    x = 86,176.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.