Home / 115,000.27-172,528.18-36,114.49

Finding the Fourth Proportional to 115,000.27, 172,528.18 and 36,114.49

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Solution

The fourth proportional to 115,000.27, 172,528.18 and 36,114.49 is: 54,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000.27 : 172,528.18 = 36,114.49 : x
  2. Step 2: Convert to fraction form
    115,000.27/172,528.18 = 36,114.49/x
  3. Step 3: Cross multiply
    115,000.27x = 172,528.18 × 36,114.49
  4. Step 4: Simplify right side
    115,000.27x = 6,230,766,709.72
  5. Step 5: Solve for x
    x = 6,230,766,709.72/115,000.27
  6. Step 6: Final answer
    x = 54,180.45

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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.