Home / 119,312.70-178,964.94-30,566.98

Finding the Fourth Proportional to 119,312.70, 178,964.94 and 30,566.98

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Solution

The fourth proportional to 119,312.70, 178,964.94 and 30,566.98 is: 45,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,312.70 : 178,964.94 = 30,566.98 : x
  2. Step 2: Convert to fraction form
    119,312.70/178,964.94 = 30,566.98/x
  3. Step 3: Cross multiply
    119,312.70x = 178,964.94 × 30,566.98
  4. Step 4: Simplify right side
    119,312.70x = 5,470,417,741.68
  5. Step 5: Solve for x
    x = 5,470,417,741.68/119,312.70
  6. Step 6: Final answer
    x = 45,849.42

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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.