Home / 133,300.89-182,976.04-117,855.20

Finding the Fourth Proportional to 133,300.89, 182,976.04 and 117,855.20

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Solution

The fourth proportional to 133,300.89, 182,976.04 and 117,855.20 is: 161,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.89 : 182,976.04 = 117,855.20 : x
  2. Step 2: Convert to fraction form
    133,300.89/182,976.04 = 117,855.20/x
  3. Step 3: Cross multiply
    133,300.89x = 182,976.04 × 117,855.20
  4. Step 4: Simplify right side
    133,300.89x = 21,564,677,331.97
  5. Step 5: Solve for x
    x = 21,564,677,331.97/133,300.89
  6. Step 6: Final answer
    x = 161,774.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.