Home / 146,246.40-219,628.80-113,047.20

Finding the Fourth Proportional to 146,246.40, 219,628.80 and 113,047.20

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Solution

The fourth proportional to 146,246.40, 219,628.80 and 113,047.20 is: 169,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,246.40 : 219,628.80 = 113,047.20 : x
  2. Step 2: Convert to fraction form
    146,246.40/219,628.80 = 113,047.20/x
  3. Step 3: Cross multiply
    146,246.40x = 219,628.80 × 113,047.20
  4. Step 4: Simplify right side
    146,246.40x = 24,828,420,879.36
  5. Step 5: Solve for x
    x = 24,828,420,879.36/146,246.40
  6. Step 6: Final answer
    x = 169,771.16

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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.