Home / 133,001.25-183,541.62-85,254.58

Finding the Fourth Proportional to 133,001.25, 183,541.62 and 85,254.58

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Solution

The fourth proportional to 133,001.25, 183,541.62 and 85,254.58 is: 117,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001.25 : 183,541.62 = 85,254.58 : x
  2. Step 2: Convert to fraction form
    133,001.25/183,541.62 = 85,254.58/x
  3. Step 3: Cross multiply
    133,001.25x = 183,541.62 × 85,254.58
  4. Step 4: Simplify right side
    133,001.25x = 15,647,763,725.62
  5. Step 5: Solve for x
    x = 15,647,763,725.62/133,001.25
  6. Step 6: Final answer
    x = 117,651.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.