Home / 209,471.30-289,076.54-113,984.15

Finding the Fourth Proportional to 209,471.30, 289,076.54 and 113,984.15

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Solution

The fourth proportional to 209,471.30, 289,076.54 and 113,984.15 is: 157,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,471.30 : 289,076.54 = 113,984.15 : x
  2. Step 2: Convert to fraction form
    209,471.30/289,076.54 = 113,984.15/x
  3. Step 3: Cross multiply
    209,471.30x = 289,076.54 × 113,984.15
  4. Step 4: Simplify right side
    209,471.30x = 32,950,142,536.42
  5. Step 5: Solve for x
    x = 32,950,142,536.42/209,471.30
  6. Step 6: Final answer
    x = 157,301.47

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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.