Home / 115,102.20-172,663.44-35,158.23

Finding the Fourth Proportional to 115,102.20, 172,663.44 and 35,158.23

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Solution

The fourth proportional to 115,102.20, 172,663.44 and 35,158.23 is: 52,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,102.20 : 172,663.44 = 35,158.23 : x
  2. Step 2: Convert to fraction form
    115,102.20/172,663.44 = 35,158.23/x
  3. Step 3: Cross multiply
    115,102.20x = 172,663.44 × 35,158.23
  4. Step 4: Simplify right side
    115,102.20x = 6,070,540,936.11
  5. Step 5: Solve for x
    x = 6,070,540,936.11/115,102.20
  6. Step 6: Final answer
    x = 52,740.44

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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.