Home / 222,760.70-334,141.05-128,282.30

Finding the Fourth Proportional to 222,760.70, 334,141.05 and 128,282.30

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Solution

The fourth proportional to 222,760.70, 334,141.05 and 128,282.30 is: 192,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,760.70 : 334,141.05 = 128,282.30 : x
  2. Step 2: Convert to fraction form
    222,760.70/334,141.05 = 128,282.30/x
  3. Step 3: Cross multiply
    222,760.70x = 334,141.05 × 128,282.30
  4. Step 4: Simplify right side
    222,760.70x = 42,864,382,418.42
  5. Step 5: Solve for x
    x = 42,864,382,418.42/222,760.70
  6. Step 6: Final answer
    x = 192,423.45

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1.5x scale

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.