Home / 222,975.09-307,685.10-132,315.43

Finding the Fourth Proportional to 222,975.09, 307,685.10 and 132,315.43

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Solution

The fourth proportional to 222,975.09, 307,685.10 and 132,315.43 is: 182,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,975.09 : 307,685.10 = 132,315.43 : x
  2. Step 2: Convert to fraction form
    222,975.09/307,685.10 = 132,315.43/x
  3. Step 3: Cross multiply
    222,975.09x = 307,685.10 × 132,315.43
  4. Step 4: Simplify right side
    222,975.09x = 40,711,486,311.09
  5. Step 5: Solve for x
    x = 40,711,486,311.09/222,975.09
  6. Step 6: Final answer
    x = 182,583.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.