Home / 146,003.60-219,005.40-99,347.60

Finding the Fourth Proportional to 146,003.60, 219,005.40 and 99,347.60

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Solution

The fourth proportional to 146,003.60, 219,005.40 and 99,347.60 is: 149,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,003.60 : 219,005.40 = 99,347.60 : x
  2. Step 2: Convert to fraction form
    146,003.60/219,005.40 = 99,347.60/x
  3. Step 3: Cross multiply
    146,003.60x = 219,005.40 × 99,347.60
  4. Step 4: Simplify right side
    146,003.60x = 21,757,660,877.04
  5. Step 5: Solve for x
    x = 21,757,660,877.04/146,003.60
  6. Step 6: Final answer
    x = 149,021.40

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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.