Home / 102,221.29-153,356.64-32,100.60

Finding the Fourth Proportional to 102,221.29, 153,356.64 and 32,100.60

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Solution

The fourth proportional to 102,221.29, 153,356.64 and 32,100.60 is: 48,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,221.29 : 153,356.64 = 32,100.60 : x
  2. Step 2: Convert to fraction form
    102,221.29/153,356.64 = 32,100.60/x
  3. Step 3: Cross multiply
    102,221.29x = 153,356.64 × 32,100.60
  4. Step 4: Simplify right side
    102,221.29x = 4,922,839,997.48
  5. Step 5: Solve for x
    x = 4,922,839,997.48/102,221.29
  6. Step 6: Final answer
    x = 48,158.66

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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.