Home / 442,935.03-664,490.09-162,454.71

Finding the Fourth Proportional to 442,935.03, 664,490.09 and 162,454.71

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Solution

The fourth proportional to 442,935.03, 664,490.09 and 162,454.71 is: 243,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,935.03 : 664,490.09 = 162,454.71 : x
  2. Step 2: Convert to fraction form
    442,935.03/664,490.09 = 162,454.71/x
  3. Step 3: Cross multiply
    442,935.03x = 664,490.09 × 162,454.71
  4. Step 4: Simplify right side
    442,935.03x = 107,949,544,056.55
  5. Step 5: Solve for x
    x = 107,949,544,056.55/442,935.03
  6. Step 6: Final answer
    x = 243,714.17

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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.