Home / 300,321.06-414,535.32-173,081.40

Finding the Fourth Proportional to 300,321.06, 414,535.32 and 173,081.40

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Solution

The fourth proportional to 300,321.06, 414,535.32 and 173,081.40 is: 238,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,321.06 : 414,535.32 = 173,081.40 : x
  2. Step 2: Convert to fraction form
    300,321.06/414,535.32 = 173,081.40/x
  3. Step 3: Cross multiply
    300,321.06x = 414,535.32 × 173,081.40
  4. Step 4: Simplify right side
    300,321.06x = 71,748,353,535.05
  5. Step 5: Solve for x
    x = 71,748,353,535.05/300,321.06
  6. Step 6: Final answer
    x = 238,905.50

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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.