Home / 222,948.99-307,569.15-132,308.78

Finding the Fourth Proportional to 222,948.99, 307,569.15 and 132,308.78

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Solution

The fourth proportional to 222,948.99, 307,569.15 and 132,308.78 is: 182,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,948.99 : 307,569.15 = 132,308.78 : x
  2. Step 2: Convert to fraction form
    222,948.99/307,569.15 = 132,308.78/x
  3. Step 3: Cross multiply
    222,948.99x = 307,569.15 × 132,308.78
  4. Step 4: Simplify right side
    222,948.99x = 40,694,097,464.29
  5. Step 5: Solve for x
    x = 40,694,097,464.29/222,948.99
  6. Step 6: Final answer
    x = 182,526.49

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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.