Home / 119,024.70-178,538.06-30,278.28

Finding the Fourth Proportional to 119,024.70, 178,538.06 and 30,278.28

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Solution

The fourth proportional to 119,024.70, 178,538.06 and 30,278.28 is: 45,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,024.70 : 178,538.06 = 30,278.28 : x
  2. Step 2: Convert to fraction form
    119,024.70/178,538.06 = 30,278.28/x
  3. Step 3: Cross multiply
    119,024.70x = 178,538.06 × 30,278.28
  4. Step 4: Simplify right side
    119,024.70x = 5,405,825,371.34
  5. Step 5: Solve for x
    x = 5,405,825,371.34/119,024.70
  6. Step 6: Final answer
    x = 45,417.68

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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.