Home / 352,305.20-528,749.40-163,056.80

Finding the Fourth Proportional to 352,305.20, 528,749.40 and 163,056.80

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Solution

The fourth proportional to 352,305.20, 528,749.40 and 163,056.80 is: 244,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,305.20 : 528,749.40 = 163,056.80 : x
  2. Step 2: Convert to fraction form
    352,305.20/528,749.40 = 163,056.80/x
  3. Step 3: Cross multiply
    352,305.20x = 528,749.40 × 163,056.80
  4. Step 4: Simplify right side
    352,305.20x = 86,216,185,165.92
  5. Step 5: Solve for x
    x = 86,216,185,165.92/352,305.20
  6. Step 6: Final answer
    x = 244,720.16

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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.