Home / 146,036.85-201,530.79-78,968.85

Finding the Fourth Proportional to 146,036.85, 201,530.79 and 78,968.85

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Solution

The fourth proportional to 146,036.85, 201,530.79 and 78,968.85 is: 108,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,036.85 : 201,530.79 = 78,968.85 : x
  2. Step 2: Convert to fraction form
    146,036.85/201,530.79 = 78,968.85/x
  3. Step 3: Cross multiply
    146,036.85x = 201,530.79 × 78,968.85
  4. Step 4: Simplify right side
    146,036.85x = 15,914,654,725.89
  5. Step 5: Solve for x
    x = 15,914,654,725.89/146,036.85
  6. Step 6: Final answer
    x = 108,976.98

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1.5x scale

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.