Home / 146,093.40-218,702.70-86,898.60

Finding the Fourth Proportional to 146,093.40, 218,702.70 and 86,898.60

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Solution

The fourth proportional to 146,093.40, 218,702.70 and 86,898.60 is: 130,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,093.40 : 218,702.70 = 86,898.60 : x
  2. Step 2: Convert to fraction form
    146,093.40/218,702.70 = 86,898.60/x
  3. Step 3: Cross multiply
    146,093.40x = 218,702.70 × 86,898.60
  4. Step 4: Simplify right side
    146,093.40x = 19,004,958,446.22
  5. Step 5: Solve for x
    x = 19,004,958,446.22/146,093.40
  6. Step 6: Final answer
    x = 130,087.73

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1.5x scale

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.