Home / 222,813.45-334,516.82-129,386.25

Finding the Fourth Proportional to 222,813.45, 334,516.82 and 129,386.25

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Solution

The fourth proportional to 222,813.45, 334,516.82 and 129,386.25 is: 194,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,813.45 : 334,516.82 = 129,386.25 : x
  2. Step 2: Convert to fraction form
    222,813.45/334,516.82 = 129,386.25/x
  3. Step 3: Cross multiply
    222,813.45x = 334,516.82 × 129,386.25
  4. Step 4: Simplify right side
    222,813.45x = 43,281,876,254.79
  5. Step 5: Solve for x
    x = 43,281,876,254.79/222,813.45
  6. Step 6: Final answer
    x = 194,251.63

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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.