Home / 304,740.22-420,529.89-166,916.95

Finding the Fourth Proportional to 304,740.22, 420,529.89 and 166,916.95

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Solution

The fourth proportional to 304,740.22, 420,529.89 and 166,916.95 is: 230,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,740.22 : 420,529.89 = 166,916.95 : x
  2. Step 2: Convert to fraction form
    304,740.22/420,529.89 = 166,916.95/x
  3. Step 3: Cross multiply
    304,740.22x = 420,529.89 × 166,916.95
  4. Step 4: Simplify right side
    304,740.22x = 70,193,566,622.64
  5. Step 5: Solve for x
    x = 70,193,566,622.64/304,740.22
  6. Step 6: Final answer
    x = 230,339.03

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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.