Home / 194,442.50-291,692.92-69,812.66

Finding the Fourth Proportional to 194,442.50, 291,692.92 and 69,812.66

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Solution

The fourth proportional to 194,442.50, 291,692.92 and 69,812.66 is: 104,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,442.50 : 291,692.92 = 69,812.66 : x
  2. Step 2: Convert to fraction form
    194,442.50/291,692.92 = 69,812.66/x
  3. Step 3: Cross multiply
    194,442.50x = 291,692.92 × 69,812.66
  4. Step 4: Simplify right side
    194,442.50x = 20,363,858,648.37
  5. Step 5: Solve for x
    x = 20,363,858,648.37/194,442.50
  6. Step 6: Final answer
    x = 104,729.46

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1.5x scale

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.