Home / 119,440.64-179,199.86-57,116

Finding the Fourth Proportional to 119,440.64, 179,199.86 and 57,116

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Solution

The fourth proportional to 119,440.64, 179,199.86 and 57,116 is: 85,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,440.64 : 179,199.86 = 57,116 : x
  2. Step 2: Convert to fraction form
    119,440.64/179,199.86 = 57,116/x
  3. Step 3: Cross multiply
    119,440.64x = 179,199.86 × 57,116
  4. Step 4: Simplify right side
    119,440.64x = 10,235,179,203.76
  5. Step 5: Solve for x
    x = 10,235,179,203.76/119,440.64
  6. Step 6: Final answer
    x = 85,692.60

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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.