Home / 151,046.90-208,392.80-93,665.60

Finding the Fourth Proportional to 151,046.90, 208,392.80 and 93,665.60

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Solution

The fourth proportional to 151,046.90, 208,392.80 and 93,665.60 is: 129,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,046.90 : 208,392.80 = 93,665.60 : x
  2. Step 2: Convert to fraction form
    151,046.90/208,392.80 = 93,665.60/x
  3. Step 3: Cross multiply
    151,046.90x = 208,392.80 × 93,665.60
  4. Step 4: Simplify right side
    151,046.90x = 19,519,236,647.68
  5. Step 5: Solve for x
    x = 19,519,236,647.68/151,046.90
  6. Step 6: Final answer
    x = 129,226.33

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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.