Home / 102,242.56-153,388.16-32,121.90

Finding the Fourth Proportional to 102,242.56, 153,388.16 and 32,121.90

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Solution

The fourth proportional to 102,242.56, 153,388.16 and 32,121.90 is: 48,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,242.56 : 153,388.16 = 32,121.90 : x
  2. Step 2: Convert to fraction form
    102,242.56/153,388.16 = 32,121.90/x
  3. Step 3: Cross multiply
    102,242.56x = 153,388.16 × 32,121.90
  4. Step 4: Simplify right side
    102,242.56x = 4,927,119,136.70
  5. Step 5: Solve for x
    x = 4,927,119,136.70/102,242.56
  6. Step 6: Final answer
    x = 48,190.49

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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.