Home / 351,814.69-527,722.17-85,573.56

Finding the Fourth Proportional to 351,814.69, 527,722.17 and 85,573.56

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Solution

The fourth proportional to 351,814.69, 527,722.17 and 85,573.56 is: 128,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,814.69 : 527,722.17 = 85,573.56 : x
  2. Step 2: Convert to fraction form
    351,814.69/527,722.17 = 85,573.56/x
  3. Step 3: Cross multiply
    351,814.69x = 527,722.17 × 85,573.56
  4. Step 4: Simplify right side
    351,814.69x = 45,159,066,917.23
  5. Step 5: Solve for x
    x = 45,159,066,917.23/351,814.69
  6. Step 6: Final answer
    x = 128,360.38

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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.