Home / 129,692.22-194,590.17-70,458.54

Finding the Fourth Proportional to 129,692.22, 194,590.17 and 70,458.54

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Solution

The fourth proportional to 129,692.22, 194,590.17 and 70,458.54 is: 105,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,692.22 : 194,590.17 = 70,458.54 : x
  2. Step 2: Convert to fraction form
    129,692.22/194,590.17 = 70,458.54/x
  3. Step 3: Cross multiply
    129,692.22x = 194,590.17 × 70,458.54
  4. Step 4: Simplify right side
    129,692.22x = 13,710,539,276.55
  5. Step 5: Solve for x
    x = 13,710,539,276.55/129,692.22
  6. Step 6: Final answer
    x = 105,715.97

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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.