Home / 155,087.82-232,719.57-66,333.42

Finding the Fourth Proportional to 155,087.82, 232,719.57 and 66,333.42

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Solution

The fourth proportional to 155,087.82, 232,719.57 and 66,333.42 is: 99,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,087.82 : 232,719.57 = 66,333.42 : x
  2. Step 2: Convert to fraction form
    155,087.82/232,719.57 = 66,333.42/x
  3. Step 3: Cross multiply
    155,087.82x = 232,719.57 × 66,333.42
  4. Step 4: Simplify right side
    155,087.82x = 15,437,084,979.03
  5. Step 5: Solve for x
    x = 15,437,084,979.03/155,087.82
  6. Step 6: Final answer
    x = 99,537.70

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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.