Home / 209,434.08-289,010.52-113,940.84

Finding the Fourth Proportional to 209,434.08, 289,010.52 and 113,940.84

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Solution

The fourth proportional to 209,434.08, 289,010.52 and 113,940.84 is: 157,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,434.08 : 289,010.52 = 113,940.84 : x
  2. Step 2: Convert to fraction form
    209,434.08/289,010.52 = 113,940.84/x
  3. Step 3: Cross multiply
    209,434.08x = 289,010.52 × 113,940.84
  4. Step 4: Simplify right side
    209,434.08x = 32,930,101,417.64
  5. Step 5: Solve for x
    x = 32,930,101,417.64/209,434.08
  6. Step 6: Final answer
    x = 157,233.73

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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.