Home / 119,828.20-179,742.30-57,466.60

Finding the Fourth Proportional to 119,828.20, 179,742.30 and 57,466.60

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Solution

The fourth proportional to 119,828.20, 179,742.30 and 57,466.60 is: 86,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,828.20 : 179,742.30 = 57,466.60 : x
  2. Step 2: Convert to fraction form
    119,828.20/179,742.30 = 57,466.60/x
  3. Step 3: Cross multiply
    119,828.20x = 179,742.30 × 57,466.60
  4. Step 4: Simplify right side
    119,828.20x = 10,329,178,857.18
  5. Step 5: Solve for x
    x = 10,329,178,857.18/119,828.20
  6. Step 6: Final answer
    x = 86,199.90

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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.