Home / 104,439.20-144,125.64-56,692.16

Finding the Fourth Proportional to 104,439.20, 144,125.64 and 56,692.16

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Solution

The fourth proportional to 104,439.20, 144,125.64 and 56,692.16 is: 78,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.20 : 144,125.64 = 56,692.16 : x
  2. Step 2: Convert to fraction form
    104,439.20/144,125.64 = 56,692.16/x
  3. Step 3: Cross multiply
    104,439.20x = 144,125.64 × 56,692.16
  4. Step 4: Simplify right side
    104,439.20x = 8,170,793,842.98
  5. Step 5: Solve for x
    x = 8,170,793,842.98/104,439.20
  6. Step 6: Final answer
    x = 78,234.93

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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.