Home / 222,973.20-307,701.45-120,996.06

Finding the Fourth Proportional to 222,973.20, 307,701.45 and 120,996.06

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Solution

The fourth proportional to 222,973.20, 307,701.45 and 120,996.06 is: 166,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,973.20 : 307,701.45 = 120,996.06 : x
  2. Step 2: Convert to fraction form
    222,973.20/307,701.45 = 120,996.06/x
  3. Step 3: Cross multiply
    222,973.20x = 307,701.45 × 120,996.06
  4. Step 4: Simplify right side
    222,973.20x = 37,230,663,106.29
  5. Step 5: Solve for x
    x = 37,230,663,106.29/222,973.20
  6. Step 6: Final answer
    x = 166,973.71

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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.