Home / 219,658.94-303,123.06-122,856.85

Finding the Fourth Proportional to 219,658.94, 303,123.06 and 122,856.85

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Solution

The fourth proportional to 219,658.94, 303,123.06 and 122,856.85 is: 169,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,658.94 : 303,123.06 = 122,856.85 : x
  2. Step 2: Convert to fraction form
    219,658.94/303,123.06 = 122,856.85/x
  3. Step 3: Cross multiply
    219,658.94x = 303,123.06 × 122,856.85
  4. Step 4: Simplify right side
    219,658.94x = 37,240,744,692.86
  5. Step 5: Solve for x
    x = 37,240,744,692.86/219,658.94
  6. Step 6: Final answer
    x = 169,538.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.