Home / 120,800.73-166,692.78-70,528.89

Finding the Fourth Proportional to 120,800.73, 166,692.78 and 70,528.89

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Solution

The fourth proportional to 120,800.73, 166,692.78 and 70,528.89 is: 97,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,800.73 : 166,692.78 = 70,528.89 : x
  2. Step 2: Convert to fraction form
    120,800.73/166,692.78 = 70,528.89/x
  3. Step 3: Cross multiply
    120,800.73x = 166,692.78 × 70,528.89
  4. Step 4: Simplify right side
    120,800.73x = 11,756,656,744.41
  5. Step 5: Solve for x
    x = 11,756,656,744.41/120,800.73
  6. Step 6: Final answer
    x = 97,322.73

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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.