Home / 320,932.92-442,901.25-177,692.95

Finding the Fourth Proportional to 320,932.92, 442,901.25 and 177,692.95

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Solution

The fourth proportional to 320,932.92, 442,901.25 and 177,692.95 is: 245,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,932.92 : 442,901.25 = 177,692.95 : x
  2. Step 2: Convert to fraction form
    320,932.92/442,901.25 = 177,692.95/x
  3. Step 3: Cross multiply
    320,932.92x = 442,901.25 × 177,692.95
  4. Step 4: Simplify right side
    320,932.92x = 78,700,429,671.19
  5. Step 5: Solve for x
    x = 78,700,429,671.19/320,932.92
  6. Step 6: Final answer
    x = 245,223.92

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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.