Home / 209,447.82-289,045.19-113,958.14

Finding the Fourth Proportional to 209,447.82, 289,045.19 and 113,958.14

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Solution

The fourth proportional to 209,447.82, 289,045.19 and 113,958.14 is: 157,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,447.82 : 289,045.19 = 113,958.14 : x
  2. Step 2: Convert to fraction form
    209,447.82/289,045.19 = 113,958.14/x
  3. Step 3: Cross multiply
    209,447.82x = 289,045.19 × 113,958.14
  4. Step 4: Simplify right side
    209,447.82x = 32,939,051,068.02
  5. Step 5: Solve for x
    x = 32,939,051,068.02/209,447.82
  6. Step 6: Final answer
    x = 157,266.14

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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.