Home / 351,716.22-527,572.94-85,477.52

Finding the Fourth Proportional to 351,716.22, 527,572.94 and 85,477.52

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Solution

The fourth proportional to 351,716.22, 527,572.94 and 85,477.52 is: 128,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,716.22 : 527,572.94 = 85,477.52 : x
  2. Step 2: Convert to fraction form
    351,716.22/527,572.94 = 85,477.52/x
  3. Step 3: Cross multiply
    351,716.22x = 527,572.94 × 85,477.52
  4. Step 4: Simplify right side
    351,716.22x = 45,095,626,530.31
  5. Step 5: Solve for x
    x = 45,095,626,530.31/351,716.22
  6. Step 6: Final answer
    x = 128,215.94

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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.