Home / 222,396.40-306,891.06-125,570.42

Finding the Fourth Proportional to 222,396.40, 306,891.06 and 125,570.42

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Solution

The fourth proportional to 222,396.40, 306,891.06 and 125,570.42 is: 173,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,396.40 : 306,891.06 = 125,570.42 : x
  2. Step 2: Convert to fraction form
    222,396.40/306,891.06 = 125,570.42/x
  3. Step 3: Cross multiply
    222,396.40x = 306,891.06 × 125,570.42
  4. Step 4: Simplify right side
    222,396.40x = 38,536,439,298.45
  5. Step 5: Solve for x
    x = 38,536,439,298.45/222,396.40
  6. Step 6: Final answer
    x = 173,278.16

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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.