Home / 283,835.62-391,692.54-156,511.72

Finding the Fourth Proportional to 283,835.62, 391,692.54 and 156,511.72

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Solution

The fourth proportional to 283,835.62, 391,692.54 and 156,511.72 is: 215,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,835.62 : 391,692.54 = 156,511.72 : x
  2. Step 2: Convert to fraction form
    283,835.62/391,692.54 = 156,511.72/x
  3. Step 3: Cross multiply
    283,835.62x = 391,692.54 × 156,511.72
  4. Step 4: Simplify right side
    283,835.62x = 61,304,473,146.57
  5. Step 5: Solve for x
    x = 61,304,473,146.57/283,835.62
  6. Step 6: Final answer
    x = 215,985.83

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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.