Home / 222,529.50-333,836.10-89,420.31

Finding the Fourth Proportional to 222,529.50, 333,836.10 and 89,420.31

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Solution

The fourth proportional to 222,529.50, 333,836.10 and 89,420.31 is: 134,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,529.50 : 333,836.10 = 89,420.31 : x
  2. Step 2: Convert to fraction form
    222,529.50/333,836.10 = 89,420.31/x
  3. Step 3: Cross multiply
    222,529.50x = 333,836.10 × 89,420.31
  4. Step 4: Simplify right side
    222,529.50x = 29,851,727,551.19
  5. Step 5: Solve for x
    x = 29,851,727,551.19/222,529.50
  6. Step 6: Final answer
    x = 134,147.28

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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.