Home / 115,095.60-172,662.30-36,190.80

Finding the Fourth Proportional to 115,095.60, 172,662.30 and 36,190.80

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Solution

The fourth proportional to 115,095.60, 172,662.30 and 36,190.80 is: 54,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095.60 : 172,662.30 = 36,190.80 : x
  2. Step 2: Convert to fraction form
    115,095.60/172,662.30 = 36,190.80/x
  3. Step 3: Cross multiply
    115,095.60x = 172,662.30 × 36,190.80
  4. Step 4: Simplify right side
    115,095.60x = 6,248,786,766.84
  5. Step 5: Solve for x
    x = 6,248,786,766.84/115,095.60
  6. Step 6: Final answer
    x = 54,292.14

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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.