Home / 351,538.46-527,306.86-85,298.76

Finding the Fourth Proportional to 351,538.46, 527,306.86 and 85,298.76

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Solution

The fourth proportional to 351,538.46, 527,306.86 and 85,298.76 is: 127,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,538.46 : 527,306.86 = 85,298.76 : x
  2. Step 2: Convert to fraction form
    351,538.46/527,306.86 = 85,298.76/x
  3. Step 3: Cross multiply
    351,538.46x = 527,306.86 × 85,298.76
  4. Step 4: Simplify right side
    351,538.46x = 44,978,621,297.49
  5. Step 5: Solve for x
    x = 44,978,621,297.49/351,538.46
  6. Step 6: Final answer
    x = 127,947.94

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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.