Home / 143,257.47-214,812.37-64,304.02

Finding the Fourth Proportional to 143,257.47, 214,812.37 and 64,304.02

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Solution

The fourth proportional to 143,257.47, 214,812.37 and 64,304.02 is: 96,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.47 : 214,812.37 = 64,304.02 : x
  2. Step 2: Convert to fraction form
    143,257.47/214,812.37 = 64,304.02/x
  3. Step 3: Cross multiply
    143,257.47x = 214,812.37 × 64,304.02
  4. Step 4: Simplify right side
    143,257.47x = 13,813,298,936.73
  5. Step 5: Solve for x
    x = 13,813,298,936.73/143,257.47
  6. Step 6: Final answer
    x = 96,422.89

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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.