Home / 115,221.06-172,830.78-32,115.06

Finding the Fourth Proportional to 115,221.06, 172,830.78 and 32,115.06

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Solution

The fourth proportional to 115,221.06, 172,830.78 and 32,115.06 is: 48,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,221.06 : 172,830.78 = 32,115.06 : x
  2. Step 2: Convert to fraction form
    115,221.06/172,830.78 = 32,115.06/x
  3. Step 3: Cross multiply
    115,221.06x = 172,830.78 × 32,115.06
  4. Step 4: Simplify right side
    115,221.06x = 5,550,470,869.55
  5. Step 5: Solve for x
    x = 5,550,470,869.55/115,221.06
  6. Step 6: Final answer
    x = 48,172.36

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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.