Home / 165,529.40-248,423.70-76,793.90

Finding the Fourth Proportional to 165,529.40, 248,423.70 and 76,793.90

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Solution

The fourth proportional to 165,529.40, 248,423.70 and 76,793.90 is: 115,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,529.40 : 248,423.70 = 76,793.90 : x
  2. Step 2: Convert to fraction form
    165,529.40/248,423.70 = 76,793.90/x
  3. Step 3: Cross multiply
    165,529.40x = 248,423.70 × 76,793.90
  4. Step 4: Simplify right side
    165,529.40x = 19,077,424,775.43
  5. Step 5: Solve for x
    x = 19,077,424,775.43/165,529.40
  6. Step 6: Final answer
    x = 115,250.98

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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.