Home / 340,837.60-510,872.40-163,429.60

Finding the Fourth Proportional to 340,837.60, 510,872.40 and 163,429.60

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Solution

The fourth proportional to 340,837.60, 510,872.40 and 163,429.60 is: 244,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,837.60 : 510,872.40 = 163,429.60 : x
  2. Step 2: Convert to fraction form
    340,837.60/510,872.40 = 163,429.60/x
  3. Step 3: Cross multiply
    340,837.60x = 510,872.40 × 163,429.60
  4. Step 4: Simplify right side
    340,837.60x = 83,491,671,983.04
  5. Step 5: Solve for x
    x = 83,491,671,983.04/340,837.60
  6. Step 6: Final answer
    x = 244,960.27

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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.