Home / 133,622.20-200,433.30-121,569.40

Finding the Fourth Proportional to 133,622.20, 200,433.30 and 121,569.40

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Solution

The fourth proportional to 133,622.20, 200,433.30 and 121,569.40 is: 182,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.20 : 200,433.30 = 121,569.40 : x
  2. Step 2: Convert to fraction form
    133,622.20/200,433.30 = 121,569.40/x
  3. Step 3: Cross multiply
    133,622.20x = 200,433.30 × 121,569.40
  4. Step 4: Simplify right side
    133,622.20x = 24,366,556,021.02
  5. Step 5: Solve for x
    x = 24,366,556,021.02/133,622.20
  6. Step 6: Final answer
    x = 182,354.10

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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.