Home / 115,246.20-172,869.30-48,664.20

Finding the Fourth Proportional to 115,246.20, 172,869.30 and 48,664.20

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Solution

The fourth proportional to 115,246.20, 172,869.30 and 48,664.20 is: 72,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,246.20 : 172,869.30 = 48,664.20 : x
  2. Step 2: Convert to fraction form
    115,246.20/172,869.30 = 48,664.20/x
  3. Step 3: Cross multiply
    115,246.20x = 172,869.30 × 48,664.20
  4. Step 4: Simplify right side
    115,246.20x = 8,412,546,189.06
  5. Step 5: Solve for x
    x = 8,412,546,189.06/115,246.20
  6. Step 6: Final answer
    x = 72,996.30

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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.