Home / 143,033.64-214,654.13-53,089.16

Finding the Fourth Proportional to 143,033.64, 214,654.13 and 53,089.16

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Solution

The fourth proportional to 143,033.64, 214,654.13 and 53,089.16 is: 79,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,033.64 : 214,654.13 = 53,089.16 : x
  2. Step 2: Convert to fraction form
    143,033.64/214,654.13 = 53,089.16/x
  3. Step 3: Cross multiply
    143,033.64x = 214,654.13 × 53,089.16
  4. Step 4: Simplify right side
    143,033.64x = 11,395,806,611.23
  5. Step 5: Solve for x
    x = 11,395,806,611.23/143,033.64
  6. Step 6: Final answer
    x = 79,672.21

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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.