Home / 183,780.72-275,709.33-57,415.86

Finding the Fourth Proportional to 183,780.72, 275,709.33 and 57,415.86

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Solution

The fourth proportional to 183,780.72, 275,709.33 and 57,415.86 is: 86,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,780.72 : 275,709.33 = 57,415.86 : x
  2. Step 2: Convert to fraction form
    183,780.72/275,709.33 = 57,415.86/x
  3. Step 3: Cross multiply
    183,780.72x = 275,709.33 × 57,415.86
  4. Step 4: Simplify right side
    183,780.72x = 15,830,088,291.97
  5. Step 5: Solve for x
    x = 15,830,088,291.97/183,780.72
  6. Step 6: Final answer
    x = 86,135.74

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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.