Home / 304,432.43-456,639.23-144,623.40

Finding the Fourth Proportional to 304,432.43, 456,639.23 and 144,623.40

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Solution

The fourth proportional to 304,432.43, 456,639.23 and 144,623.40 is: 216,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,432.43 : 456,639.23 = 144,623.40 : x
  2. Step 2: Convert to fraction form
    304,432.43/456,639.23 = 144,623.40/x
  3. Step 3: Cross multiply
    304,432.43x = 456,639.23 × 144,623.40
  4. Step 4: Simplify right side
    304,432.43x = 66,040,717,292.87
  5. Step 5: Solve for x
    x = 66,040,717,292.87/304,432.43
  6. Step 6: Final answer
    x = 216,930.63

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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.