Home / 305,063.96-457,273.30-112,814.85

Finding the Fourth Proportional to 305,063.96, 457,273.30 and 112,814.85

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Solution

The fourth proportional to 305,063.96, 457,273.30 and 112,814.85 is: 169,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,063.96 : 457,273.30 = 112,814.85 : x
  2. Step 2: Convert to fraction form
    305,063.96/457,273.30 = 112,814.85/x
  3. Step 3: Cross multiply
    305,063.96x = 457,273.30 × 112,814.85
  4. Step 4: Simplify right side
    305,063.96x = 51,587,218,748.51
  5. Step 5: Solve for x
    x = 51,587,218,748.51/305,063.96
  6. Step 6: Final answer
    x = 169,102.96

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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.