Home / 209,861.19-289,607.94-114,367.64

Finding the Fourth Proportional to 209,861.19, 289,607.94 and 114,367.64

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Solution

The fourth proportional to 209,861.19, 289,607.94 and 114,367.64 is: 157,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,861.19 : 289,607.94 = 114,367.64 : x
  2. Step 2: Convert to fraction form
    209,861.19/289,607.94 = 114,367.64/x
  3. Step 3: Cross multiply
    209,861.19x = 289,607.94 × 114,367.64
  4. Step 4: Simplify right side
    209,861.19x = 33,121,775,175.02
  5. Step 5: Solve for x
    x = 33,121,775,175.02/209,861.19
  6. Step 6: Final answer
    x = 157,827.06

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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.