Home / 133,025.10-199,537.65-122,138.70

Finding the Fourth Proportional to 133,025.10, 199,537.65 and 122,138.70

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Solution

The fourth proportional to 133,025.10, 199,537.65 and 122,138.70 is: 183,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.10 : 199,537.65 = 122,138.70 : x
  2. Step 2: Convert to fraction form
    133,025.10/199,537.65 = 122,138.70/x
  3. Step 3: Cross multiply
    133,025.10x = 199,537.65 × 122,138.70
  4. Step 4: Simplify right side
    133,025.10x = 24,371,269,172.06
  5. Step 5: Solve for x
    x = 24,371,269,172.06/133,025.10
  6. Step 6: Final answer
    x = 183,208.05

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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.