Home / 146,117.40-219,183.30-76,133.40

Finding the Fourth Proportional to 146,117.40, 219,183.30 and 76,133.40

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Solution

The fourth proportional to 146,117.40, 219,183.30 and 76,133.40 is: 114,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,117.40 : 219,183.30 = 76,133.40 : x
  2. Step 2: Convert to fraction form
    146,117.40/219,183.30 = 76,133.40/x
  3. Step 3: Cross multiply
    146,117.40x = 219,183.30 × 76,133.40
  4. Step 4: Simplify right side
    146,117.40x = 16,687,169,852.22
  5. Step 5: Solve for x
    x = 16,687,169,852.22/146,117.40
  6. Step 6: Final answer
    x = 114,203.85

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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.